CN102824243B - External bone splint device for treating bone injury - Google Patents
External bone splint device for treating bone injury Download PDFInfo
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- CN102824243B CN102824243B CN201210285033.6A CN201210285033A CN102824243B CN 102824243 B CN102824243 B CN 102824243B CN 201210285033 A CN201210285033 A CN 201210285033A CN 102824243 B CN102824243 B CN 102824243B
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Abstract
The invention discloses an external bone splint device for treating bone injury. The external bone splint device for treating bone injury comprises an external fixation mechanism for a splintlet and a clamping mechanism. The external fixation mechanism for the splintlet wraps outside an injured human limb. The clamping mechanism clamps a healthy limb connected with the injured limb. The external fixation mechanism for the splintlet and the clamping mechanism are rotatably connected with the healthy limb at the joint, and are also connected with the injured limb at the joint. Compared with the prior art, the external bone splint device is provided with both the external fixation mechanism for the splintlet and the clamping mechanism, and the external fixation mechanism for the splintlet is rotatably connected with the clamping mechanism. Modern science and technology is organically used with the traditional Chinese medicine splintlet, the external fixation mechanical requirement of the modern medical science for bone injury treatment is better met, the bone injury can heal naturally under original conditions, and fine conditions are created for movement of the injured limb during external fixation. According to the objective law of recovery of injured limbs, quality in bone injury healing is improved, healing process is quickened, and synchronization of external fixation treatment and rehabilitation treatment is achieved.
Description
Technical field
The present invention relates to orthopedic medical device, specifically, the present invention relates to a kind of ectoskeleton fixation device that is used for the treatment of bone injury disease.
Background technology
In External fixation field, for fracturing, the External fixation utensil of the bone injury disease such as dislocation, soft tissue injury has: natural material clamping plate, Gypsum Fibrosum, the outer stabilizing brace of sizing, the orthosis etc. moulding ester binder and make by metal, plastic or other material, these utensils are divided into again non-resilient fixed class and flexible fastening class.Plaster bandage and succedaneum, outer stabilizing brace etc. belong to non-resilient fixed class, do not have flexible fastening function, are prone to that suffering limb amyotrophy, osteoporosis, ankylosis, fracture heal late after fixing outside and the complication such as disunion.Be tcm characteristic and adopt the local External fixation of plintlet, flexible fastening is its marrow, and continuity bone is rebuild law, and its advantage is many, within the scope of certain External fixation, has irreplaceability.
The 1950's China's orthopaedics worker with the attitude of science to traditional Chinese medical science plintlet outside fixed form arrange excavation, its objective is the development that promotes the outer fixation of plintlet, but there is no significant progress, only produced the qualitative description to plintlet External technique; Plintlet is fixing outward can be association of activity and inertia in fixation procedure outside according to the incompressible principle of liquid, and muscles and bones is laid equal stress on.Outer fixed system is made up of restraining forces, efficacy, lever force etc., has and axially holds bone, laterally fixing, uses external lever with 3 extruding, to effects such as the corresponding internal lever variations of the mode of extruding mutually.In recent years by fixing Biomechanical Mechanism Journal of Sex Research is disclosed plintlet the part outside, flexible fastening is peculiar by the outer fixed system of plintlet, thereby outside plintlet, fixation meets bone reconstruction law.Analyze after deliberation, characteristic and ectoskeleton configuration, the concept of the outer fixed system of these plintlets have similarity, exist the prerequisite merging mutually, plintlet system be intelligentized basis around outer fixed model, its intrinsic stress is unobstructed, and non-functional substitution effect provides condition for full motility.
But the outer fixed system of at present general plintlet is still continued to use ancient manual making sheet and is simply tied up outer fixed model, the fixation device mechaanical property of materials of this structure is unstable, outer fixing operation can be complied with without standard, Song Ze is without fixation, tightly produce pressure symptom, Stagnation was stayed in qualitative description and empiricism stage.Can say that all external fixator tools all exist different insoluble problems at present, substantially in a state of nature, disconnect with modern science and technology, cannot meet the demand of modern medicine treatment.
In view of the above; need a kind of outer fixed system with modern science and technology configuration at medical instruments field; to solve the existing difficult problem of local External fixation; by studying ectoskeletal protection and supporting function, stimulate the natural recuperability of body, the concepts such as compensation, configuration are organized in performance; by means of the fixing advantage of plintlet; organically combine with the outer fixed function of traditional Chinese medical science plintlet elasticity, structure, interpenetrate utilization, to manufacture modern plintlet External fixation system.
Summary of the invention
Technical problem to be solved by this invention is to provide a kind of ectoskeleton fixation device that is used for the treatment of bone injury disease, this ectoskeleton fixation device can organically combine modern science and technology and traditional Chinese medical science plintlet, more meet the outer fixing mechanics requirement of modern medicine science to treating bone injury diseases.
In order to solve the problems of the technologies described above, the technical solution adopted in the present invention is: a kind of ectoskeleton fixation device that is used for the treatment of bone injury disease, it comprise the outer fixed mechanism of plintlet and and clamping device, the outer fixed mechanism of plintlet is wrapped in the outside of human body impaired limb, clamping device is clamped in the healthy limb being connected with this impaired limb, the outer fixed mechanism of plintlet and and the joint of clamping device between healthy limb and impaired limb for being rotationally connected.
The outer fixed mechanism of described plintlet comprises many clamping plate and clamping plate is strapped in to the band in described impaired limb, described clamping plate comprise Shell Plate and are layered in the flexible lining on Shell Plate, on Shell Plate, be provided with the support member extending along Shell Plate length direction, this support member is provided with the gas storage cavity that multiple transverse section that parallel setting are arc, and the gas storage cavity transverse section of support member forming that is connected is bridge arch shape.
Described flexible lining comprises air cushion layer and cotton carpet veneer, air cushion layer is layered on described Shell Plate, cotton carpet veneer is layered on air cushion layer, described air cushion layer is connected and is formed by the elastomer dividing plate of many cross arrangements, and in air cushion layer, form multiple little gas storage cavitys, little gas storage cavity communicates by trachea with the gas storage cavity on described support member.
The surface contacting with described impaired limb of described cotton carpet veneer is provided with multiple vent grooves of extending along described Shell Plate length direction, between described air cushion layer and cotton carpet veneer, is provided with piezoelectric transducer.
Outside described plintlet in fixed mechanism, described band has many, corresponding band is strapped in clamping plate in described impaired limb in multiple positions of described clamping plate, the corresponding bondage position of giving, the Shell Plate of clamping plate is provided with band main control element therein, on the Shell Plate of all the other each clamping plate, be equipped with band sub-control part, band one end is fixed in band main control element, the other end successively through the band sub-control part on each clamping plate until fasten on the draw ring of band main control element.
Described band main control element is provided with and draws, pressure monitor and alarm.
Described band sub-control part is rectangular block shape structure, band sub-control part is provided with the passage passing through for described band, on the inwall of a side of the passage of band sub-control part, be provided with multiple horizontal column gas storage cavitys, and be divided into two-layer, and between two-layer column gas storage cavity, be arranged crosswise, this column gas storage cavity is also perpendicular with the moving direction of described band.
The outer fixed mechanism of described plintlet also comprises that one for differentiating, control the angle sensing control piece that described clamping plate rotation changes, this angle sensing control piece is U-shaped and inner hollow, the middle part of angle sensing control piece is plugged on wherein on described clamping plate by plug, angle sensing control piece the extension of both sides contact with the clamping plate of the both sides that are positioned at these clamping plate respectively, and be also provided with near end position place the column gas storage cavity being connected with the inside of angle sensing control piece on the medial surface of this two extension, this column gas storage cavity is arranged along the length direction of clamping plate, medial surface at described angle sensing control piece also posts piezoelectric transducer.
Described clamping device comprises the grip block that is clamped in described healthy limb, for the air pressure driver of the gas storage cavity inflation on described clamping plate with bend and stretch formula Pneumatic power support lever, air pressure driver and described gas storage cavity and bend and stretch formula Pneumatic power support lever and communicate by trachea, on grip block, be provided with support bar STATEMENT OF FEDERALLY SPONSORED, bend and stretch formula Pneumatic power support lever one end and this support bar STATEMENT OF FEDERALLY SPONSORED is rotationally connected, the other end is provided with ring set, and the shaft that bends and stretches formula Pneumatic power support lever is fixedly connected on described clamping plate.
Described ectoskeleton fixation device also comprises control system, and described piezoelectric transducer is all connected with described control system with described air pressure driver.
The present invention adopts technique scheme, compared with prior art, adopt the outer fixing mode of plintlet, for elasticity is fixed outward, in the time supporting limb activity, generating function does not substitute, cleat member is experienced muscle contraction, diastole information, and the instantaneous variation of initiation pressure causes outer fixed system to produce Flexible change, and the compressive stress of impaired limb changes thereupon, make epiphysis fine motion, effectively stimulate the natural recuperability of body, promoted osteogenesis, shortened treatment time, increase as the clamping device supporting, the outer fixed mechanism of plintlet and clamping device are rotationally connected, make patient's impaired limb still can activity freely, due to do not limit outer fixing during the activity of impaired limb, cleat member internal pressure constantly regulates variation, fluctuation-type extruding muscle, produce interaction function, brought into play the Shugu effect of muscle, rely on cleat member to support Endoskeleton with ectoskeleton form, fluctuation extruding promoted blood circulation simultaneously, effectively avoided the complication of muscle, ankylosis, this ectoskeleton fixation device organically combines modern science and technology and traditional Chinese medical science plintlet, more meet the outer fixing mechanics requirement of modern medicine science to treating bone injury diseases, can make bone injury normal healing under ecosystem situation, for good condition is created in the activity of hindering during limb is fixed outside, make patient's daily life of taking care of oneself, have with the physiological adaption of human body limb Various Tissues simultaneously, stimulate body nature recuperability, the objective law of restoring according to impaired limb, improve the quality of bone injury healing and the process of healing acceleration, realize the synchronization of External fixation and rehabilitation.
Brief description of the drawings
Fig. 1 is the structural representation of ectoskeleton fixation device of the present invention;
Fig. 2 is the Structure of cross section schematic diagram of the clamping plate of ectoskeleton fixation device of the present invention;
Fig. 3 is the structural representation of the air cushion layer of ectoskeleton fixation device of the present invention;
Fig. 4 is the structural representation of the band main control element of ectoskeleton fixation device of the present invention;
Fig. 5 is the deployed configuration schematic diagram of the band sub-control part of ectoskeleton fixation device of the present invention;
Fig. 6 is the layout schematic diagram of the inside column air storing cavity body of the band sub-control part of ectoskeleton fixation device of the present invention;
Fig. 7 is the structural representation of the pressure pad of ectoskeleton fixation device of the present invention;
Fig. 8 is the structural representation of the angle sensing control piece of ectoskeleton fixation device of the present invention;
Fig. 9 is the structural representation of the clamping device of ectoskeleton fixation device of the present invention;
Figure 10 is the structural representation of the board-type clamping plate of ectoskeleton fixation device of the present invention;
Figure 11 is the structural representation of the irregular type clamping plate of ectoskeleton fixation device of the present invention;
Labelling in above-mentioned figure is: 1, clamping plate; 2, band; 3, trachea; 4, band main control element; 5, band sub-control part; 6, angle sensing control piece; 7, bend and stretch formula Pneumatic power support lever; 8, grip block; 9, ring set; 10, Shell Plate; 11, support member; 12, gas storage cavity; 13, air cushion layer; 14, cotton carpet veneer; 15, piezoelectric transducer; 16, little gas storage cavity; 17, vent grooves; 18, alarm; 19, display screen; 20, draw ring; 21, plug; 22, column gas storage cavity; 23, column gas storage cavity; 24, pressure pad; 25, air pressure driver; 26, support bar STATEMENT OF FEDERALLY SPONSORED; 27, jack.
Detailed description of the invention
As shown in Figure 1, for a kind of ectoskeleton fixation device that is used for the treatment of bone injury disease of the present invention, it comprise the outer fixed mechanism of plintlet and and clamping device, the outer fixed mechanism of plintlet is wrapped in the outside of human body impaired limb, clamping device is clamped in the healthy limb being connected with this impaired limb, the outer fixed mechanism of plintlet and and the joint of clamping device between healthy limb and impaired limb for being rotationally connected.Compared with prior art, this ectoskeleton fixation device adopts the outer fixing mode of plintlet, fixing outward for elasticity, in the time supporting limb activity, generating function does not substitute, and cleat member is experienced muscle contraction, diastole information, the instantaneous variation of initiation pressure causes outer fixed system to produce Flexible change, the compressive stress of impaired limb changes thereupon, makes epiphysis fine motion, has effectively stimulated the natural recuperability of body, promote osteogenesis, shortened treatment time, increase as the clamping device supporting, the outer fixed mechanism of plintlet and clamping device are rotationally connected, make patient's impaired limb still can activity freely, due to do not limit outer fixing during the activity of impaired limb, cleat member internal pressure constantly regulates variation, fluctuation-type extruding muscle, produce interaction function, brought into play the Shugu effect of muscle, rely on cleat member to support Endoskeleton with ectoskeleton form, fluctuation extruding promoted blood circulation simultaneously, effectively avoided the complication of muscle, ankylosis, this ectoskeleton fixation device organically combines modern science and technology and traditional Chinese medical science plintlet, more meet the outer fixing mechanics requirement of modern medicine science to treating bone injury diseases, can make bone injury normal healing under ecosystem situation, for good condition is created in the activity of hindering during limb is fixed outside, make patient's daily life of taking care of oneself, have with the physiological adaption of human body limb Various Tissues simultaneously, stimulate body nature recuperability, the objective law of restoring according to impaired limb, improve the quality of bone injury healing and the process of healing acceleration, realize the synchronization of External fixation and rehabilitation.
As shown in Figure 1, the outer fixed mechanism of plintlet of this ectoskeleton fixation device comprises four clamping plate 1 and clamping plate 1 is strapped in to the band 2 in impaired limb, as shown in Figure 2, clamping plate 1 comprise Shell Plate 10 and are layered in the flexible lining on Shell Plate 10, flexible lining is close to human body skin, whole clamping plate 1 adopt the ectonexine structure of moulding the injection moulding of ester alloy and making different-stiffness with carbon fibre material pultrusion, Shell Plate 10 is moulding according to limbs joints of human body biomorph, make board-type and irregular shape plate to adapt to the variation of human body limb biomorph, be the clamping plate 1 of board-type as shown in figure 10.In order to adapt to the instructions for use of human body different parts, the shape of clamping plate 1 can be also irregular type, as shown in Figure 11 a, the outer fixed mechanism of plintlet that the clamping plate 1 of this shape form is fixing outward for shoulder, as shown in Figure 11 b, the outer fixed mechanism of plintlet that the clamping plate 1 of this shape form is fixing outward for ankle part, and as shown in Figure 11 c, it is fixing outward that the outer fixed mechanism of plintlet that the clamping plate 1 of this shape form also can be used for ancon.
As shown in Figure 2, on Shell Plate 10, be provided with the support member 11 extending along Shell Plate 10 length directions, Shell Plate 10 wraps support member 11 in surrounding, this support member 11 is provided with the gas storage cavity 12 that employing carbon fiber material that three transverse section that parallel setting are arc is made, utilize engineering mechanics principle, three gas storage cavitys 12 are bridge arch shape by the be connected transverse section of the support member 11 that forms of the connecting plate of two arcs, in gas storage cavity 12, be filled with gas, support member 11 can produce different support stiffness under air pressure change regulates.The clamping plate 1 of this ectoskeleton fixation device by air pressure adjustment with human body skin muscular tissue adaptability in produce function interaction, whole clamping plate 1 show as firm in the vertical, strain and detrusion do not bend in certain outer regular length, should be subject under loaded-up condition, its original form balance remains stable balance, clamping plate 1 are laterally showing as pliable and toughly, and simulation ectoskeleton general configuration, forms to limbs the packaging type that coincide fixing outward.
As shown in Figure 2, the flexible lining of clamping plate 1 comprises air cushion layer 13 and the cotton carpet veneer 14 be made up of macromolecular material, and air cushion layer 13 is layered on Shell Plate 10, and cotton carpet veneer 14 is layered on air cushion layer 13.Air cushion layer 13 is sealed elastic cavity body, mainly be connected and form by the elastomer dividing plate of many cross arrangements, and at the multiple little gas storage cavitys 16 of the interior formation of air cushion layer 13, as shown in Figure 3, little gas storage cavity 16 also communicates by trachea in outside with the gas storage cavity 12 on support member 11.And as shown in Figure 2, the surface contacting with impaired limb of cotton carpet veneer 14 is provided with multiple vent grooves 17 of extending along Shell Plate 10 length directions, in use ensures the breathability of cotton carpet veneer 14.In addition, be provided with the piezoelectric transducer 15 of being made up of polyvinylidene difluoride film between air cushion layer 13 and cotton carpet veneer 14, piezoelectric transducer 15 is responded to the pressure change between clamping plate 1 and limbs soft tissue, and information is passed to the control system of ectoskeleton fixation device.
As shown in Figure 1, outside plintlet in fixed mechanism, band 2 has three, corresponding band 2 is strapped in clamping plate 1 in impaired limb in three positions of clamping plate 1, the corresponding bondage position of giving, the Shell Plate 10 of clamping plate 1 is provided with band main control element 4 therein, on the Shell Plate 10 of all the other each clamping plate 1, be equipped with band sub-control part 5, band 2 one end are fixed in band main control element 4, and the other end passes the band sub-control part 5 on each clamping plate 1 successively until fasten on the draw ring 20 of band main control element 4.As shown in Figure 5, band sub-control part 5 is rectangular block shape structure, band sub-control part 5 is provided with the passage passing through for band 2, on a side inwall of the passage of band sub-control part 5, be provided with multiple horizontal column gas storage cavitys 22, and be divided into two-layer, and between two-layer column gas storage cavity 22, be arranged crosswise, as shown in Figure 6, the length direction of this column gas storage cavity 22 is also perpendicular with the moving direction of band 2.
Be illustrated in figure 4 band main control element 4, band main control element 4 is rectangle box-like body, which is provided with draw, pressure monitor and alarm 18.Draw, pressure monitor is for the pressure state of the whole clamping plate system of Real-Time Monitoring, it is mainly by body chip controller, air spring and display screen 19 form, body chip controller and air spring are arranged on the inside of band main control element 4, air spring is subject to chip controller control, air spring communicates with the gas storage cavity 12 on clamping plate 1, gas storage cavity 12 provides gas for air spring, this draws, before pressure monitor and applicant, the structure of a kind of pressure monitoring device for external fixation bone-fracture treatment clamping plate of application is roughly the same, just change the flexible member in former pressure monitoring device into air spring.The surface draw, pressure on the number display screen 19 being arranged on band main control element 4, the data that display screen 19 shows are force value and band 2 values of thrust of clamping plate 1 to fixed position of setting, and regulate simultaneously with digital reacting condition pressure state in numerical control.Alarm 18 can be reported to the police by bell ring in the time that pressure is disorderly.The horizontal front end of band main control element 4 is draw ring 20, affect draw ring 20 on display screen 19, to show value of thrust, rear end links band 2, adopt air spring to move control, scalable adjusting band 2, after band 2 being penetrated when outer fixing to the passage of the band sub-control part 5 on other clamping plate 1, penetrate again draw ring 20, tighten up band 2 and move draw ring 20, in the time that display screen 19 demonstrates the value of thrust setting, opisthotonos band 2, by passing in the band sub-control part 5 on other clamping plate 1 from locking in band main control element 4 rear ends, forms circular bandage fixing outward.
As shown in Fig. 1 and Figure 10, band main control element 4 and band sub-control part 5 angle sensing control pieces 6 are all plugged on clamping plate 1 by plug 21, have with below band sub-control part 5 plug 21 that a pair of longitudinal arrangement is vertical in band main control element 4, can be fixed in the lip-deep jack 27 of clamping plate 1, this jack 27 is also connected the column gas storage cavity 22 in the air spring in band main control element 4, band sub-control part 5 with the gas storage cavity 12 in clamping plate 1.And be furnished with printed circuit connecting device in band main control element 4 lower end plugs 21, for conducting the signal of telecommunication of the piezoelectric transducer 15 between air cushion layer 13 and cotton carpet veneer 14, show by regulating the pressure state of clamping plate 1 after chip controller Treatment Analysis and converting numeral to, export control information to Pneumatic propelling plant, reaction type control pneumatic power system simultaneously.
As shown in Figure 1, the outer fixed mechanism of plintlet also comprises that one for differentiating, control the angle sensing control piece 6 that clamping plate 1 rotation changes, as shown in Figure 8, this angle sensing control piece 6 is U-shaped and inner hollow, the middle part of angle sensing control piece 6 is plugged on wherein on clamping plate 1 by plug 21, and the joint of close limbs, angle sensing control piece 6 the extension of both sides contact with the clamping plate 1 of the both sides that are positioned at these clamping plate 1 respectively, extension is feeler panel, for differentiating, the rotation of controlling clamping plate 1 changes, and be also provided with near end position place the column gas storage cavity 23 being connected with the inside of angle sensing control piece 6 on the medial surface of this two extension, this column gas storage cavity 23 is arranged along the length direction of clamping plate 1, angle sensing control piece 6 is plugged on by plug 21 on the jack 27 of fixture block, this plug 21 is also connected the hollow inside of the gas storage cavity on clamping plate 1 12 and degree sensing control piece.Also post the piezoelectric transducer 15 of being made up of polyvinylidene difluoride film at the medial surface of angle sensing control piece 6, piezoelectric transducer 15 is responded to angle and is debated to control piece inner face change in displacement, and information is passed to the control system of ectoskeleton fixation device.
As shown in Figure 7, this ectoskeleton fixation device also comprises the pressure pad 24 of inflation, pressure pad 24 is independent adhesive type, laminar, and skin is many cryptomeres elastic cavity body, is furnished with independent aerating pipe, internal layer is cotton felt, can work in coordination with and strengthen the variation of air pressure liner block pressure, for limiting fracture end displacement, when pressure pad 24 uses, stick on human body skin according to displacement fracture direction, and push down by clamping plate 1.
On pressure pad 24, be also provided with the piezoelectric transducer 15 of being made up of polyvinylidene difluoride film, piezoelectric transducer 15 is responded to the pressure change between pressure pad 24 and limbs soft tissue, and information is passed to the control system of ectoskeleton fixation device.
As shown in Fig. 1 and Fig. 9, the air pressure driver 25 that the clamping device of this ectoskeleton fixation device comprises the grip block 8 that is clamped in healthy limb, inflate for the gas storage cavity 12 on clamping plate 1 and bend and stretch formula Pneumatic power support lever 7, air pressure driver 25 and gas storage cavity 12 and bend and stretch formula Pneumatic power support lever 7 and communicate by trachea, for each the inflatable cavity on clamping plate 1 with bend and stretch formula Pneumatic power support lever 7 and inflate or bleed.Both sides at grip block 8 are respectively provided with a support bar STATEMENT OF FEDERALLY SPONSORED 26 vertically downward, bending and stretching formula Pneumatic power support lever 7 one end is rotatably connected between two support bar STATEMENT OF FEDERALLY SPONSORED 26 by bearing pin, the other end is provided with ring set 9, the shaft that bends and stretches formula Pneumatic power support lever 7 is divided into two sections that are tightly connected, two sections of shafts match and make the support bar can be along with the variation of its air pressure inside is extending or shorten, and the shaft that bends and stretches close the ring set 9 of formula Pneumatic power support lever 7 is fixedly connected on plintlet outward on the clamping plate bottom 1 on fixed mechanism.Grip block 8 is clamped on proximal extremity, bends and stretches the ring set 9 of formula Pneumatic power support lever 7 ends for stationary remote limbs, bends and stretches formula Pneumatic power support lever 7 and can produce and bend and stretch formula support, traction, gravitation-resistant kinetic energy.Air pressure driver 25 is made up of unit constructions such as air pump, buffer spring, valves, and air pump is micro air pump, and is located at the rear of grip block 8, and air pump is each the inflatable cavity on clamping plate 1 and bends and stretches formula Pneumatic power support lever 7 and inflate or bleed.Buffer spring plays cushioning effect, is positioned at air pump below.The control system of this ectoskeleton fixation device and power system are placed in support bar STATEMENT OF FEDERALLY SPONSORED 26, piezoelectric transducer 15 is all connected with control system with air pressure driver 25, control system receives the feedback information that piezoelectric transducer 15 transmits, and controls air pressure driver 25 and carries out corresponding actions.Air pressure driver 25 connects trachea, trachea by valve with the gas storage cavity 12 on two-phase pipeline configuration connecting cleat 1, and be communicated with in other inflatable cavity and inflate or bleed by gas storage cavity 12, and adopt regional control of many group micro valves, form the pneumatic circuit of this device.Power system, for display screen 19, control system etc. provide electric power, is provided with on and off switch in support bar STATEMENT OF FEDERALLY SPONSORED 26.This clamping device filling, air suction mode is by the baric systerm in the outer fixed mechanism of valve regulated control plintlet, and drives and bends and stretches formula Pneumatic power support lever 7 and produce kinetic energy, agree to and support limbs passive type to substitute Endoskeleton with ectoskeleton and worked in coordination with limb motion.
The outer four plate layouts of fixation of the ecological succession of the imitative ectoskeleton of this ectoskeleton fixation device traditional Chinese medical science plintlet, according to international biomaterial for medical purpose standard, bone injury healing evaluation criteria, collect existing clamping plate and fix standard and the forces associated mathematic(al) parameter of mechanical mechanism standard and clinical verification formulation outward, material is controlled in design, outer fixed mode mechanical essence and mechanics quantitative relationship, introduce ectoskeleton concept, make ectoskeleton cleat member and intelligent restraining forces system, make clamping plate 1 distribute and change and be subject to feedback regulation with geometric mechanics system limbs pressure, the objective law of following bone injury healing forms synchronicity in fixation procedure outside, from tonality.Taking radius far-end fracture as example, as shown in Figure 1, this ectoskeleton fixation device is same with four fixed forms of straight plate, but has realized the breakthrough of matter.Before outer fixing, award assembling, divide three sections to insert band main control element 4 at the dorsal plate back side, set value of thrust and force value, oar side plate near-end assembling angle sensing control piece 6, insert band sub-control part 5 with section respectively in oar, the palm, ulnar side plate again, penetrate band 2, be fixed on suffering limb.Tighten up band 2 and pass tension by draw ring 20, in the time that display screen 19 shows the value of thrust setting, opisthotonos band 2 is passed by band sub-control part 5, certainly locks in band main control element 4 another ends.Grip block 8 is clamped on proximal extremity, be connected and fixed on clamping plate 1 bottom bending and stretching formula Pneumatic power support lever 7, the ring set 9 of far-end wraps in carpometacarpal portion, connect and insert relevant trachea, circuit, turn on the power switch, when display screen 19 demonstrates after the pressure value setting, finish outer fixing operation.
It is as follows that this ectoskeleton fixation device has advantage:
1, cleat member stable mechanical property, the inclusion enclave wall type that coincide is fixing vertical just horizontal soft outward, and pressure is evenly distributed.Air cushion combination more adapts to limbs biomorph and changes, and forms outside stable part and fixes mechanical system with muscle internal motivation and frictional force.2, flexible lining and pressure pad 24 are subject to piezoelectric transducer 15 feedback control, in the time of displacement fracture, same level opposite side pressure changes, control system control air pressure driver 25 regulates flexible lining and pressure pad 24 air pressure inside, change restriction displacement fracture with reverse generation pressurization and the decompression of displacement tendency local.As there is rotation displacement, angle sensing control piece 6 internal gas pressures change, and to maintain the uniformity of both sides setting pressure, produce restraining function by air pressure adjustment, correct fracture rotation displacement.3, when the intrinsic pressure increase of limbs or dwindle, while there is thickness variation, set the control of pulling force and force value, air spring telescopic shape change is loosened or is tightened up band 2, and the air pressure in the column gas storage cavity 22 in band sub-control part 5 changes the movement that regulates band 2 thereupon.Pressure pad 24 air pressure of liner synchronously change cooperation decompression or supercharging, keep setting value constant.Once outer fixed system pressure control imbalance, alarm 18 starts, and effectively ensures outer fixing safety.4, when outside fixing limbs while wanting movable, bend and stretch formula Pneumatic power support lever 7 passive flexion and extensions, support member 11 on collaborative clamping plate 1, the air pressure change of pressure pad 24, make the stiffness variation of the outer fixed mechanism of plintlet, collaborative clamping device initiatively produces and supports and draw, has born the suffered gravity of limbs, the rotary moveable of 6 restriction limbs of angle sensing control piece passive in completing functional activity, in certain scope, can make suffering limb voluntary activity, make patient recapture kinetic energy self-care daily life.5, because the elasticity of this outer fixed system is fixed character outward, in the time supporting limb activity, generating function does not substitute, clamping plate 1 are experienced muscle contraction, diastole information, the instantaneous variation of initiation pressure causes outer fixed system to produce Flexible change, fracture end compressive stress changes thereupon, makes epiphysis fine motion, has effectively stimulated the natural recuperability of body, promote osteogenesis, shortened treatment time.6, due to do not limit outer fixing during the activity of suffering limb, clamping plate 1 internal pressure constantly regulates variation, fluctuation-type extruding muscle, produce interaction function, bring into play the Shugu effect of muscle, rely on clamping plate 1 to support Endoskeleton with ectoskeleton form, fluctuation extruding has promoted blood circulation simultaneously, has effectively avoided the complication of muscle, ankylosis.7, this external fixation system can make bone injury normal healing under ecosystem situation, realizes the synchronization of External fixation and rehabilitation.8, outer fixing for joint part of this ectoskeleton fixation device, makes irregular ectoskeleton cleat member according to joint biomorph is moulding, complies with joint change with shell type, still adopts four around identical packaging type fixed configuration outward.As to External fixations such as shoulder, elbow, carpometacarpal, knee joint, ankle joint, and adjust supporting bar structure to adapt to the functional activity in joint.9, this ectoskeleton fixation device is taking modern scientific theory as guidance, according to relevant criterion and parameter, scientific and reasonable formulation outer stationary member material and mechanical essence and the quantitative relationship of configuration system, manufacture by modern science correlation technique, this utilization of fixing layout infiltration ectoskeleton concept with traditional Chinese medical science plintlet outward, on the basis that has kept tcm characteristic, make plintlet system march toward the process of modernization restructuring from a side, make outer fixed system be promoted as intellectuality by operation by rule of thumb, changed the original backward state in current External fixation field.Solve an existing difficult problem in outer fixation procedure by clinical verification, effectively avoid the generation of various complication, for good condition is created in the activity of hindering during limb is fixed outside, have with the physiological adaption of human body limb Various Tissues simultaneously, stimulate body nature recuperability, realize the synchronization of External fixation and rehabilitation.
By reference to the accompanying drawings the present invention is exemplarily described above; obviously specific implementation of the present invention is not subject to the restrictions described above; as long as adopted the improvement of the various unsubstantialities that method of the present invention design and technical scheme carry out; or without improving, design of the present invention and technical scheme are directly applied to other occasion, all within protection scope of the present invention.
Claims (9)
1. one kind is used for the treatment of the ectoskeleton fixation device of bone injury disease, it is characterized in that: comprise the outer fixed mechanism of plintlet and and clamping device, the outer fixed mechanism of plintlet is wrapped in the outside of human body impaired limb, clamping device is clamped in the healthy limb being connected with this impaired limb, the outer fixed mechanism of plintlet and and the joint of clamping device between healthy limb and impaired limb for being rotationally connected;
The outer fixed mechanism of described plintlet comprises many clamping plate (1) and clamping plate (1) is strapped in to the band (2) in described impaired limb, described clamping plate (1) comprise Shell Plate (10) and are layered in the flexible lining on Shell Plate (10), on Shell Plate (10), be provided with the support member (11) extending along its length, this support member (11) is provided with the gas storage cavity (12) that multiple transverse section that parallel setting are arc, and gas storage cavity (12) transverse section of support member (11) forming that is connected is bridge arch shape.
2. the ectoskeleton fixation device that is used for the treatment of bone injury disease according to claim 1, it is characterized in that: described flexible lining comprises air cushion layer (13) and cotton carpet veneer (14), air cushion layer (13) is layered on described Shell Plate (10), cotton carpet veneer (14) is layered on air cushion layer (13), described air cushion layer (13) is connected and is formed by the elastomer dividing plate of many cross arrangements, and in air cushion layer (13), form multiple little gas storage cavitys (16), little gas storage cavity (16) communicates by trachea with the gas storage cavity (12) on described support member (11).
3. the ectoskeleton fixation device that is used for the treatment of bone injury disease according to claim 2, it is characterized in that: the surface contacting with described impaired limb of described cotton carpet veneer (14) is provided with multiple vent grooves (17) of extending along described Shell Plate (10) length direction, between described air cushion layer (13) and cotton carpet veneer (14), is provided with piezoelectric transducer (15).
4. according to the arbitrary described ectoskeleton fixation device that is used for the treatment of bone injury disease of claim 1 ~ 3, it is characterized in that: outside described plintlet in fixed mechanism, described band (2) has many, corresponding band (2) is strapped in clamping plate (1) in described impaired limb in multiple positions of described clamping plate (1), the corresponding bondage position of giving, the Shell Plate (10) of clamping plate (1) is provided with band main control element (4) therein, on the Shell Plate (10) of all the other each clamping plate (1), be equipped with band sub-control part (5), band (2) one end is fixed in band main control element (4), the other end is upper tie-down of draw ring (20) through the band sub-control part (5) on each clamping plate (1) until in band main control element (4) successively.
5. the ectoskeleton fixation device that is used for the treatment of bone injury disease according to claim 4, is characterized in that: described band main control element (4) is provided with and draws, pressure monitor and alarm (18).
6. the ectoskeleton fixation device that is used for the treatment of bone injury disease according to claim 5, it is characterized in that: described band sub-control part (5) is rectangular block shape structure, band sub-control part (5) is provided with the passage passing through for described band (2), on a side inwall of the passage of band sub-control part (5), be provided with multiple horizontal column gas storage cavitys (22), and be divided into two-layer, and between two-layer column gas storage cavity (22), be arranged crosswise, this column gas storage cavity (22) is also perpendicular with the moving direction of described band (2).
7. the ectoskeleton fixation device that is used for the treatment of bone injury disease according to claim 6, it is characterized in that: the outer fixed mechanism of described plintlet also comprises that one for differentiating, control the angle sensing control piece (6) that described clamping plate (1) rotation changes, this angle sensing control piece (6) is U-shaped and inner hollow, the middle part of angle sensing control piece (6) is plugged on wherein on described clamping plate (1) by plug (21), angle sensing control piece (6) the extension of both sides contact with the clamping plate (1) of the both sides that are positioned at these clamping plate (1) respectively, and be also provided with near end position place the column gas storage cavity (23) being connected with the inside of angle sensing control piece (6) on the medial surface of this two extension, this column gas storage cavity (23) is arranged along the length direction of clamping plate (1), also post piezoelectric transducer (15) at the medial surface of described angle sensing control piece (6).
8. the ectoskeleton fixation device that is used for the treatment of bone injury disease according to claim 7, it is characterized in that: described clamping device comprises the grip block (8) being clamped in described healthy limb, for the air pressure driver (25) of gas storage cavity (12) inflation on described clamping plate (1) with bend and stretch formula Pneumatic power support lever (7), air pressure driver (25) is with described gas storage cavity (12) and bend and stretch formula Pneumatic power support lever (7) and communicate by trachea, on grip block (8), be provided with support bar STATEMENT OF FEDERALLY SPONSORED (26), bend and stretch formula Pneumatic power support lever (7) one end and this support bar STATEMENT OF FEDERALLY SPONSORED (26) is rotationally connected, the other end is provided with ring set (9), the shaft that bends and stretches formula Pneumatic power support lever (7) is fixedly connected on described clamping plate (1).
9. the ectoskeleton fixation device that is used for the treatment of bone injury disease according to claim 8, it is characterized in that: described ectoskeleton fixation device also comprises control system, described piezoelectric transducer (15) is all connected with described control system with described air pressure driver (25).
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| Application Number | Priority Date | Filing Date | Title |
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| CN201210285033.6A CN102824243B (en) | 2012-08-10 | 2012-08-10 | External bone splint device for treating bone injury |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201210285033.6A CN102824243B (en) | 2012-08-10 | 2012-08-10 | External bone splint device for treating bone injury |
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| CN102824243A CN102824243A (en) | 2012-12-19 |
| CN102824243B true CN102824243B (en) | 2014-06-18 |
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| CN201210285033.6A Active CN102824243B (en) | 2012-08-10 | 2012-08-10 | External bone splint device for treating bone injury |
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| CN103989547B (en) * | 2013-12-26 | 2017-01-25 | 孙雁群 | Traditional Chinese medicine plintlet device for external fixation bone fracture treatment |
| CN104720951B (en) * | 2015-04-01 | 2016-08-17 | 孙雁群 | Biological truss structure formula traditional Chinese medical science plintlet component and traditional Chinese medical science plintlet device |
| CN106473893A (en) * | 2015-08-26 | 2017-03-08 | 黄石钊 | Elbow joint limbs pulling device |
| CN105686898B (en) * | 2015-12-31 | 2018-06-22 | 徐宁 | A kind of intelligence Bones and joints apparatus for correcting |
| CN106983591B (en) * | 2017-05-09 | 2018-02-09 | 广州初曲科技有限公司 | A kind of intelligent pneumatic power artificial-muscle fixed based on flexible joint auxiliary perceives assembly |
| DE102018102107A1 (en) * | 2018-01-31 | 2019-08-01 | ReActive Robotics GmbH | Cuff for receiving at least a part of an outer limb of a person |
| CN108420589A (en) * | 2018-05-03 | 2018-08-21 | 周济超 | A kind of Orthopeadic Surgery clamping plate fixing device |
| CN109176469B (en) * | 2018-09-13 | 2021-07-06 | 天津大学 | Variable-rigidity flexible exoskeleton system based on line driving and pneumatic clamping principle |
| CN109350338B (en) * | 2018-12-05 | 2024-03-26 | 天津科技大学 | Medical splint |
| CN109498241A (en) * | 2019-01-02 | 2019-03-22 | 京东方科技集团股份有限公司 | Clamping plate and its operating method |
| CN113433264A (en) * | 2020-03-23 | 2021-09-24 | 上海烟草集团有限责任公司 | A carousel formula suction equipment for triggering type cigarette |
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