CN102824243A - External bone splint device for treating bone injury - Google Patents
External bone splint device for treating bone injury Download PDFInfo
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- CN102824243A CN102824243A CN2012102850336A CN201210285033A CN102824243A CN 102824243 A CN102824243 A CN 102824243A CN 2012102850336 A CN2012102850336 A CN 2012102850336A CN 201210285033 A CN201210285033 A CN 201210285033A CN 102824243 A CN102824243 A CN 102824243A
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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 sick ectoskeleton fixation device of set a broken bone that is used for.
Background technology
Fixation for treatment field outside; Be used to fracture, the sick external fixation therapeutic apparatuss of bone injury such as dislocation, soft tissue injury have: the natural material clamping plate; Gypsum Fibrosum, mould ester binder and the typing external fixation brace of processing with metal, plastic or other material, orthosis etc., these utensils are divided into non-resilient fixed class and flexible fastening class again.Plaster bandage and succedaneum thereof, external fixation brace etc. belong to non-resilient fixed class, do not have the flexible fastening function, behind external fixation, be prone to suffer from limb amyotrophy, osteoporosis, ankylosis, fracture heals late and complication such as disunion.And adopt the local external fixation treatment of plintlet is tcm characteristic, and flexible fastening is its marrow, and the continuity bone is rebuild law, and its advantage is many, in certain external fixation therapeutic domain, has irreplaceability.
China's orthopaedics worker puts excavation with the attitude of science in order to traditional Chinese medical science plintlet external fixation mode in the 1950's; Its objective is the development that promotes plintlet external fixation method; But do not have significant progress, only produced qualitative description plintlet external fixation technology; The plintlet external fixation can be association of activity and inertia in the fixation procedure according to the incompressible principle of liquid outside, and muscles and bones is laid equal stress on.The external fixation system is made up of restraining forces, efficacy, lever force etc., have and axially hold bone, crosswise fixed, with external lever with 3 extruding, to effects such as the corresponding internal lever variations of the mode of extruding mutually.Disclose through the Biomechanical Mechanism Journal of Sex Research to the local external fixation of plintlet in recent years, flexible fastening is that plintlet external fixation system institute is peculiar, thereby plintlet external fixation method meets bone reconstruction law.Analyze after deliberation; Characteristic and ectoskeleton configuration, the notion of these plintlet external fixation systems have similarity; Exist the prerequisite that merges mutually; The plintlet system be intelligentized basis around the external fixation pattern, its inherent stress does not have and blocks, the not function substitution effect is that full motility provides condition.
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 mode; The fixation device mechaanical property of materials of this structure is unstable; Outer fixing operation does not have standard and can comply with; Song Ze does not have fixation, tightly then produces pressure symptom, is stranded in qualitative description and empiricism stage.We can say that all external fixation utensils all exist different insoluble problems at present, basically in a state of nature, disconnect, can't satisfy the demand of modern medicine treatment with modern science and technology.
In view of the above, need a kind of external fixation system, treat an existing difficult problem to solve local external fixation with the modern science and technology configuration at medical instruments field; Through studying ectoskeletal protection and support effect, stimulate the natural recuperability of body, notion, configurations such as compensation are organized in performance; Advantage by means of small splints fixation; Organically combine with traditional Chinese medical science plintlet elasticity external fixation function, structure, interpenetrate utilization, to make modern plintlet external fixation treatment system.
Summary of the invention
Technical problem to be solved by this invention provides a kind of sick ectoskeleton fixation device of set a broken bone that is used for; This ectoskeleton fixation device can organically combine modern science and technology and traditional Chinese medical science plintlet, meet the external fixation mechanics requirement sick to set a broken bone of modern medicine science more.
In order to solve the problems of the technologies described above; The technical scheme that the present invention adopted is: a kind of sick ectoskeleton fixation device of set a broken bone that is used for; It comprises plintlet external fixation mechanism and and clamping device; Plintlet external fixation mechanism is wrapped in the outside of human body impaired limb, on the healthy limb that clamping device is clamped in this impaired limb is connected, plintlet external fixation mechanism and and the joint of clamping device between healthy limb and impaired limb for being rotationally connected.
Said plintlet external fixation mechanism comprises many clamping plate and clamping plate is strapped in the band on the said impaired limb; Said clamping plate comprise Shell Plate and are layered in the flexible lining on the Shell Plate; On Shell Plate, be provided with the support member that extends along the Shell Plate length direction; It is arcual gas storage cavity that this support member is provided with a plurality of transverse section that parallel setting, and the transverse section of the support member that the air storing cavity bulk phase is connected to form is bridge arch shape.
Said flexible lining comprises air cushion layer and cotton carpet veneer; Air cushion layer is layered on the said Shell Plate; Cotton carpet veneer is layered on the air cushion layer; Said air cushion layer is connected by the elastomer dividing plate of many cross arrangements and forms, and in air cushion layer, forms a plurality of little gas storage cavitys, and little gas storage cavity communicates through trachea with gas storage cavity on the said support member.
The surface that contacts with said impaired limb of said cotton carpet veneer is provided with a plurality of vent grooves of extending along said Shell Plate length direction, between said air cushion layer and cotton carpet veneer, is provided with piezoelectric transducer.
In said plintlet external fixation mechanism; Said band has many, and corresponding band is strapped in clamping plate on the said impaired limb in a plurality of positions of said clamping plate, the corresponding bondage position of giving; The Shell Plate of clamping plate is provided with the 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 on the band main control element, and the other end passes band sub-control part on each clamping plate successively until on the draw ring of band main control element, fastening.
Said band main control element is provided with and draws, pressure monitor and alarm.
Said band sub-control part is the rectangular block shape structure; Band sub-control part is provided with the passage that supplies said band to pass through; On the inwall of a side of the passage of band sub-control part, be provided with a plurality of horizontal column gas storage cavitys; And be divided into two-layerly, and and be arranged crosswise between the two-layer column gas storage cavity, this column gas storage cavity is also perpendicular with the moving direction of said band.
Said plintlet external fixation mechanism comprises that also one is used to differentiate, control the angle sensing control piece of said clamping plate rotation change; This angle sensing control piece is U type and inner hollow; The middle part of angle sensing control piece is plugged on wherein on the said clamping plate through 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 on the medial surface of this two extension, also be provided with the column gas storage cavity that is connected with the inside of angle sensing control piece near the end position place, this column gas storage cavity arranges along the length direction of clamping plate, also posts piezoelectric transducer at the medial surface of said angle sensing control piece.
Said clamping device comprises the grip block that is clamped on the said healthy limb, is the air pressure driver and the pneumatic support bar of the formula of bending and stretching of the inflation of the gas storage cavity on the said clamping plate; Air pressure driver and said gas storage cavity with bend and stretch the pneumatic support bar of formula and communicate through trachea; On grip block, be provided with the support bar STATEMENT OF FEDERALLY SPONSORED; Pneumatic support bar one end of the formula of bending and stretching and this support bar STATEMENT OF FEDERALLY SPONSORED are rotationally connected, and the other end is provided with ring set, and the shaft that bends and stretches the pneumatic support bar of formula is fixedly connected on the said clamping plate.
Said ectoskeleton fixation device also comprises control system, and said piezoelectric transducer all is connected with said control system with said air pressure driver.
The present invention adopts technique scheme, compared with prior art, adopts the mode of plintlet external fixation; Be the elasticity external fixation, when supporting limb activity, function replacement do not take place, cleat member is experienced muscle contraction, diastole information; The instantaneous variation of initiation pressure causes the external fixation system to produce the elasticity variation, and the compressive stress of impaired limb changes thereupon, makes the epiphysis fine motion; Effectively stimulated the natural recuperability of body, promote osteogenesis has shortened treatment time; Increase as the clamping device that supports, plintlet external fixation mechanism and clamping device are rotationally connected, make patient's impaired limb still can activity freely; Because do not limit the activity of impaired limb during the external fixation, the cleat member internal pressure is constantly regulated variation, fluctuation formula extruding muscle; Produce interaction function, brought into play the Shugu effect of muscle, rely on cleat member to support Endoskeleton with the ectoskeleton form; Fluctuation extruding promoted blood circulation simultaneously, avoided the complication of muscle, ankylosis effectively; This ectoskeleton fixation device organically combines modern science and technology and traditional Chinese medical science plintlet; Meet the external fixation mechanics requirement sick of modern medicine science more, can make bone injury normal healing under the ecosystem situation, create good condition for hindering the activity of limb during external fixation to set a broken bone; Make patient's daily life of taking care of oneself; Have with the physiological adaption of the multiple tissue of human body limb simultaneously, stimulate body nature recuperability, according to the restorative objective law of impaired limb; Improve the quality of bone injury healing and the process of healing acceleration, realize the synchronization of external fixation treatment and rehabilitation.
Description of drawings
Fig. 1 is the structural representation of ectoskeleton fixation device of the present invention;
Fig. 2 is the cross section structural representation 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 sketch map of the band sub-control part of ectoskeleton fixation device of the present invention;
Fig. 6 is the layout sketch map of 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 among the 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 the pneumatic support bar of formula; 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.
The specific embodiment
As shown in Figure 1; Be a kind of sick ectoskeleton fixation device of set a broken bone that is used for of the present invention; It comprises plintlet external fixation mechanism and and clamping device; Plintlet external fixation mechanism is wrapped in the outside of human body impaired limb, on the healthy limb that clamping device is clamped in this impaired limb is connected, plintlet external fixation mechanism 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 mode of plintlet external fixation, is the elasticity external fixation; When supporting limb activity, function replacement does not take place, cleat member is experienced muscle contraction, diastole information, and the instantaneous variation of initiation pressure causes the external fixation system to produce the elasticity variation; The compressive stress of impaired limb changes thereupon, makes the epiphysis fine motion, has effectively stimulated the natural recuperability of body; Promote osteogenesis has shortened treatment time; Increase as the clamping device that supports, plintlet external fixation mechanism and clamping device are rotationally connected, make patient's impaired limb still can activity freely; Because do not limit the activity of impaired limb during the external fixation, the cleat member internal pressure is constantly regulated variation, fluctuation formula extruding muscle; Produce interaction function, brought into play the Shugu effect of muscle, rely on cleat member to support Endoskeleton with the ectoskeleton form; Fluctuation extruding promoted blood circulation simultaneously, avoided the complication of muscle, ankylosis effectively; This ectoskeleton fixation device organically combines modern science and technology and traditional Chinese medical science plintlet; Meet the external fixation mechanics requirement sick of modern medicine science more, can make bone injury normal healing under the ecosystem situation, create good condition for hindering the activity of limb during external fixation to set a broken bone; Make patient's daily life of taking care of oneself; Have with the physiological adaption of the multiple tissue of human body limb simultaneously, stimulate body nature recuperability, according to the restorative objective law of impaired limb; Improve the quality of bone injury healing and the process of healing acceleration, realize the synchronization of external fixation treatment and rehabilitation.
As shown in Figure 1; The plintlet external fixation mechanism of this ectoskeleton fixation device comprises four clamping plate 1 and clamping plate 1 is strapped in the band 2 on the impaired limb; As shown in Figure 2, clamping plate 1 comprise Shell Plate 10 and are layered in the flexible lining on the Shell Plate 10 that 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 processing different-stiffness with the carbon fibre material pultrusion; Shell Plate 10 is moulding according to human limb joint biomorph, processes board-type and irregular shape plate to adapt to the variation of human body limb biomorph, and shown in figure 10 is the clamping plate 1 of board-type.In order to adapt to the instructions for use of human body different parts; The shape of clamping plate 1 also can be irregular type, and shown in Figure 11 a, the plintlet external fixation mechanism that the clamping plate 1 of this shape constitute is used for the shoulder external fixation; Shown in Figure 11 b; The plintlet external fixation mechanism that the clamping plate 1 of this shape constitute is used for the ankle part external fixation, and shown in Figure 11 c, the plintlet external fixation mechanism that the clamping plate 1 of this shape constitute also can be used for the ancon external fixation.
As shown in Figure 2; On Shell Plate 10, be provided with the support member 11 that extends along Shell Plate 10 length directions; Shell Plate 10 wraps support member 11 all around; It is the gas storage cavity 12 that arcual employing carbon fiber material is processed that this support member 11 is provided with three transverse section that parallel setting, utilizes the engineering mechanics principle, and three gas storage cavitys 12 are bridge arch shape through the be connected transverse section of the support member 11 that forms of two arcual connecting plates; Be filled with gas in the gas storage cavity 12, support member 11 can produce various supports rigidity under air pressure change is regulated.The clamping plate 1 of this ectoskeleton fixation device through air pressure adjustment with human body skin muscular tissue adaptability in to produce function interactive; Whole clamping plate 1 show as firm in the vertical, and in certain external fixation length, do not bend strain and detrusion should receive under the 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 the packaging type external fixation that coincide to limbs.
As shown in Figure 2, the flexible lining of clamping plate 1 comprises the air cushion layer of being processed by macromolecular material 13 and cotton carpet veneer 14, and air cushion layer 13 is layered on the Shell Plate 10, and cotton carpet veneer 14 is layered on the air cushion layer 13.Air cushion layer 13 is sealing elastic cavity body; Main elastomer dividing plate by many cross arrangements is connected and forms; And in air cushion layer 13, form a plurality of little gas storage cavitys 16, as shown in Figure 3, little gas storage cavity 16 also externally communicates through trachea with gas storage cavity 12 on the support member 11.And as shown in Figure 2, the surface that contacts with impaired limb of cotton carpet veneer 14 is provided with a plurality of vent grooves 17 of extending along Shell Plate 10 length directions, in use ensures the breathability of cotton carpet veneer 14.In addition, between air cushion layer 13 and cotton carpet veneer 14, be provided with the piezoelectric transducer of processing by polyvinylidene difluoride film 15, the pressure change between piezoelectric transducer 15 induction clamping plate 1 and limbs soft tissue, and information is passed to the control system of ectoskeleton fixation device.
As shown in Figure 1; In plintlet external fixation mechanism; Band 2 has three, and corresponding band 2 is strapped in clamping plate 1 on the 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 ends are fixed on the band main control element 4, and the band sub-control part 5 that the other end passes on each clamping plate 1 is successively fastened on the draw ring 20 in band main control element 4.As shown in Figure 5; Band sub-control part 5 is the rectangular block shape structure, and band sub-control part 5 is provided with the passage that supplies band 2 to pass through, and on a side inwall of the passage of band sub-control part 5, is provided with a plurality of horizontal column gas storage cavitys 22; And be divided into two-layer; And be arranged crosswise between the two-layer column gas storage cavity 22, 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 as band main control element 4, band main control element 4 is the rectangle box-like body, which is provided with draw, pressure monitor and alarm 18.The pressure state that draw, pressure monitor is used for monitoring in real time whole clamping plate system; It mainly is made up of body chip controller, air spring and display screen 19; Body chip controller and air spring are arranged on the inside of band main control element 4; Air spring receives chip controller control, and air spring communicates with gas storage cavity 12 on the clamping plate 1, and gas storage cavity 12 provides gas for air spring; The structure of pressure monitoring device that this draws, application a kind of is used for the external fixation bone-fracture treatment clamping plate before pressure monitor and the applicant is roughly the same, just changes the flexible member in the former pressure monitoring device into air spring.The surface that draw, pressure on the number display screen 19 is arranged on band main control element 4, display screen 19 data presented are the force value and band 2 values of thrust of 1 pair of fixed position of clamping plate of setting, regulate simultaneously with digital reacting condition pressure state in numerical control.But alarm 18 bell ring when pressure is disorderly is reported to the police.Band main control element 4 horizontal front ends are draw ring 20; Affect draw ring 20 on display screen 19, to show value of thrust, the rear end links band 2, adopts air spring to move control; Scalable adjusting band 2; Penetrate draw ring 20 again after during external fixation band 2 being penetrated the passage of the band sub-control part 5 on other clamping plate 1, tighten up band 2 and move draw ring 20, when display screen 19 demonstrates the value of thrust that sets; Opisthotonos band 2 forms the circular bandage external fixation by passing in the band sub-control part 5 on other clamping plate 1 from locking in band main control element 4 rear ends.
Like Fig. 1 and shown in Figure 10; Band main control element 4 all is plugged on the clamping plate 1 through plug 21 with band sub-control part 5 angle sensing control pieces 6; Below band main control element 4 and band sub-control part 5, the vertical plug 21 of a pair of vertical arrangement is arranged; Can be fixed in the clamping plate 1 lip-deep jack 27, this jack 27 also is connected the column gas storage cavity 22 in the air spring in the band main control element 4, the band sub-control part 5 with gas storage cavity 12 in the clamping plate 1.And in band main control element 4 lower end plugs 21, be furnished with the printed circuit connecting device; Be used to conduct the signal of telecommunication of the piezoelectric transducer 15 between air cushion layer 13 and the cotton carpet veneer 14; Show through regulating the pressure state of clamping plate 1 after the chip controller Treatment Analysis and converting numeral to; Export control information to Pneumatic pressure power device simultaneously, reaction type control pneumatic power system.
As shown in Figure 1; Plintlet external fixation mechanism comprises that also one is used to differentiate, control the angle sensing control piece 6 of clamping plate 1 rotation change; As shown in Figure 8, this angle sensing control piece 6 is U type and inner hollow, and the middle part of angle sensing control piece 6 is plugged on wherein on the clamping plate 1 through plug 21; And near the joint of 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 the feeler panel, is used to differentiate, control the rotation change of clamping plate 1; And on the medial surface of this two extension, also be provided with the column gas storage cavity 23 that is connected with the inside of angle sensing control piece 6 near the end position place; This column gas storage cavity 23 arranges that along the length direction of clamping plate 1 angle sensing control piece 6 is plugged on through plug 21 on the jack 27 of fixture block, and this plug 21 also is connected the hollow of the gas storage cavity on the clamping plate 1 12 with degree sensing control piece.Medial surface at angle sensing control piece 6 also posts the piezoelectric transducer of being processed by polyvinylidene difluoride film 15, and piezoelectric transducer 15 induction angles are 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, and pressure pad 24 is independent adhesive type; Laminar, skin is many cryptomeres elastic cavity body, is furnished with independent aerating pipe; Internal layer is cotton felt, can work in coordination with to strengthen the variation of air pressure liner block pressure, is used to limit the fracture end displacement; Stick on the human body skin according to the displacement fracture direction when pressure pad 24 uses, and push down through clamping plate 1.
On pressure pad 24, also be provided with the piezoelectric transducer of processing by polyvinylidene difluoride film 15, the pressure change between piezoelectric transducer 15 induction pressure pads 24 and limbs soft tissue, and information is passed to the control system of ectoskeleton fixation device.
Like Fig. 1 and shown in Figure 9; The clamping device of this ectoskeleton fixation device comprises the grip block 8 that is clamped on the healthy limb, is the air pressure driver 25 and the pneumatic support bar 7 of the formula of bending and stretching of 12 inflations of the gas storage cavity on the clamping plate 1; The pneumatic support bar of air pressure driver 25 and gas storage cavity 12 and the formula of bending and stretching 7 communicates through trachea, for each the inflatable cavity on the clamping plate 1 with bend and stretch the pneumatic support bar 7 of formula and inflate or bleed.Both sides at grip block 8 respectively are provided with a support bar STATEMENT OF FEDERALLY SPONSORED 26 vertically downward; Pneumatic support bar 7 one ends of the formula of bending and stretching are rotatably connected between the two support bar STATEMENT OF FEDERALLY SPONSORED 26 through bearing pin; The other end is provided with ring set 9; The shaft of the pneumatic support bar 7 of the formula of bending and stretching is divided into two sections that are tightly connected; Two sections shafts match and make support bar can be along with the variation of its air pressure inside extending or shorten, and the shaft near ring set 9 of the pneumatic support bar 7 of the formula of bending and stretching is fixedly connected on the clamping plate bottom 1 in the plintlet external fixation mechanism.Grip block 8 is clamped on the proximal extremity, and the pneumatic support bar 7 terminal ring sets 9 of the formula of bending and stretching are used for fixing the far-end limbs, and the pneumatic support bar 7 of the formula of bending and stretching can produce and bend and stretch formula support, traction, gravitation-resistant kinetic energy.Air pressure driver 25 is processed by unit constructions such as air pump, buffer spring, valves, and air pump is a micro air pump, and is located at the rear of grip block 8, air pump be on the clamping plate 1 each inflatable cavity with bend and stretch the pneumatic support bar 7 of formula and inflate or bleed.Buffer spring plays cushioning effect, is positioned at the air pump below.The control system of this ectoskeleton fixation device and power system place in the support bar STATEMENT OF FEDERALLY SPONSORED 26; Piezoelectric transducer 15 all is connected with control system with air pressure driver 25; Control system receives the feedback information that piezoelectric transducer 15 transmits, and control air pressure driver 25 is carried out corresponding actions.Air pressure driver 25 connects trachea; Trachea passes through valve with the gas storage cavity 12 on the two-phase pipeline configuration connecting cleat 1; And be communicated with through gas storage cavity 12 and in other inflatable cavity, inflate or bleed, and adopt the regional control of many group micro valves, form the pneumatic circuit of this device.Power system is that 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 with fill, air suction mode is through the in-house baric systerm of valve regulated control plintlet external fixation, and drives the pneumatic support bar 7 of the formula of bending and stretching and produces kinetic energy, agree to and support the limbs passive type to substitute the collaborative completion of Endoskeleton limb motion with ectoskeleton.
Four plate layouts of the imitative ectoskeleton ecological succession traditional Chinese medical science plintlet external fixation method of this ectoskeleton fixation device; According to international biomaterial for medical purpose standard, bone injury healing evaluation criteria, collect standard and forces associated mathematic(al) parameter that existing clamping plate external fixation mechanical mechanism standard and clinical verification are formulated; The mechanics essence and the mechanics quantitative relationship of design control material, external fixation pattern; Introduce the ectoskeleton notion, process ectoskeleton cleat member and intelligent restraining forces system, 1 pair of limbs pressure distributions of clamping plate and geometric mechanics system are changed receive feedback regulation; The objective law of following bone injury healing forms synchronicity in the fixation procedure outside, from tonality.With the radius far-end fracture is example, promptly as shown in Figure 1, and this ectoskeleton fixation device is same with four fixed forms of straight plate, but has realized the breakthrough of matter.Award assembling before the external fixation, 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 in the trouble limb.Tighten up band 2 and pass tension by draw ring 20, when display screen 19 showed the value of thrust that sets, opisthotonos band 2 was passed by band sub-control part 5, locked in band main control element 4 end in addition certainly.Grip block 8 is clamped on the proximal extremity; The pneumatic support bar 7 of the formula of bending and stretching is connected and fixed on the clamping plate 1 bottom; The ring set 9 of far-end wraps in the wrist metacarpus, connects to insert relevant trachea, circuit, turns on the power switch; After demonstrating the pressure value that sets when display screen 19, finish the external fixation operation.
It is following that this ectoskeleton fixation device has advantage:
1, cleat member stable mechanical property, the inclusion enclave wall type external fixation that coincide is vertical just horizontal gentle, and pressure distributions is even.The air cushion combination adapts to the limbs biomorph more and changes, and forms stable local external fixation mechanical system with muscle internal motivation and frictional force.2, flexible lining and pressure pad 24 receive piezoelectric transducer 15 feedback control; When displacement fracture; Same level opposite side pressure changes; Control system control air pressure driver 25 is regulated flexible lining and pressure pad 24 air pressure inside, changes the restriction displacement fracture in local reverse generation pressurization and decompression with the displacement tendency.As rotation displacement appears, angle sensing control piece 6 internal gas pressures change, and to keep the uniformity of both sides setting pressure, produce restraining function through air pressure adjustment, correct the fracture rotation displacement.3, when the intrinsic pressure increase of limbs or dwindle; When the thickness variation takes place; Set the control of pulling force and force value, the flexible deformation of air spring is loosened or is tightened up band 2, and the air pressure in the column gas storage cavity 22 in the band sub-control part 5 changes thereupon regulates moving of band 2.Pressure pad 24 air pressure of liner change cooperation decompression or supercharging synchronously, keep setting value constant.In case external fixation system pressure control imbalance, alarm 18 starts, and effectively ensures the safety of external fixation.4, when the limbs of institute's external fixation want movable, pneumatic support bar 7 passive flexion and extensions of the formula of bending and stretching, the support member 11 on the collaborative clamping plate 1, the air pressure change of pressure pad 24; Make the stiffness variation of plintlet external fixation mechanism; Collaborative clamping device initiatively produces and supports and draw, in passive completion functional activity, has born the suffered gravity of limbs, the rotary moveable of 6 restrictions of angle sensing control piece limbs; In certain scope, can make and suffer from the limb voluntary activity, make the patient recapture kinetic energy self-care daily life.5, because the elasticity external fixation character of this external fixation system when supporting limb activity function replacement does not take place, clamping plate 1 are experienced muscle contraction, diastole information; The instantaneous variation of initiation pressure causes the external fixation system to produce the elasticity variation; The fracture end compressive stress changes thereupon, makes the epiphysis fine motion, has effectively stimulated the natural recuperability of body; Promote osteogenesis has shortened treatment time.6, owing to do not limit the activity of suffering from limb during the external fixation; Clamping plate 1 internal pressure is constantly regulated variation, and fluctuation formula extruding muscle produces interaction function; Brought into play the Shugu effect of muscle; Rely on clamping plate 1 to support Endoskeleton with the ectoskeleton form, the fluctuation extruding has promoted blood circulation simultaneously, has avoided the complication of muscle, ankylosis effectively.7, this external fixation system can make bone injury normal healing under the ecosystem situation, realizes the synchronization of external fixation treatment and rehabilitation.8, this ectoskeleton fixation device is for the external fixation of joint part, processes irregular ectoskeleton cleat member according to the joint biomorph is moulding, complies with the joint with shell type and changes, and still adopts four around identical packaging type external fixation configuration.As to external fixation such as shoulder, elbow, the wrist palm, knee joint, ankle joint treatments, and the adjustment supporting bar structure is to adapt to the functional activity in joint.9, this ectoskeleton fixation device is guidance with the modern scientific theory; According to relevant criterion and parameter; The scientific and reasonable formulation outer stationary member material and the mechanics essence and the quantitative relationship of configuration system; Make with the modern science correlation technique, this utilization with traditional Chinese medical science plintlet external fixation layout infiltration ectoskeleton notion makes the plintlet system march toward the process of modernization restructuring from a side on the basis that has kept tcm characteristic; Make the external fixation system be promoted as intellectuality, changed the original backward state in present external fixation treatment field by operation by rule of thumb.Solved an existing difficult problem in the external fixation process through clinical verification; Effectively avoided the generation of various complication; Create good condition for hindering the activity of limb during external fixation; Have with the physiological adaption of the multiple tissue of human body limb simultaneously, stimulate body nature recuperability, realize the synchronization of external fixation treatment and rehabilitation.
Combine accompanying drawing that the present invention has been carried out exemplary description above; Obviously the concrete realization of the present invention does not receive the restriction of aforesaid way; As long as adopted the improvement of the various unsubstantialities that method of the present invention design and technical scheme carry out; Or design of the present invention and technical scheme are directly applied to other occasion without improving, all within protection scope of the present invention.
Claims (10)
1. one kind is used for the sick ectoskeleton fixation device of set a broken bone; It is characterized in that: comprise plintlet external fixation mechanism and and clamping device; Plintlet external fixation mechanism is wrapped in the outside of human body impaired limb; On the healthy limb that clamping device is clamped in this impaired limb is connected, plintlet external fixation mechanism and and the joint of clamping device between healthy limb and impaired limb for being rotationally connected.
2. the sick ectoskeleton fixation device of set a broken bone that is used for according to claim 1; It is characterized in that: said plintlet external fixation mechanism comprises many clamping plate (1) and clamping plate (1) is strapped in the band (2) on the said impaired limb; Said clamping plate (1) comprise Shell Plate (10) and are layered in the flexible lining on the Shell Plate (10); On Shell Plate (10), be provided with the support member (11) that extends along its length direction; It is arcual gas storage cavity (12) that this support member (11) is provided with a plurality of transverse section that parallel setting, and the be connected transverse section of the support member (11) that forms of gas storage cavity (12) is bridge arch shape.
3. the sick ectoskeleton fixation device of set a broken bone that is used for according to claim 2; It is characterized in that: said flexible lining comprises air cushion layer (13) and cotton carpet veneer (14); Air cushion layer (13) is layered on the said Shell Plate (10); Cotton carpet veneer (14) is layered on the air cushion layer (13); Said air cushion layer (13) is connected by the elastomer dividing plate of many cross arrangements and forms, and in air cushion layer (13), forms a plurality of little gas storage cavitys (16), and little gas storage cavity (16) communicates through trachea with gas storage cavity (12) on the said support member (11).
4. the sick ectoskeleton fixation device of set a broken bone that is used for according to claim 3; It is characterized in that: the surface that contacts with said impaired limb of said cotton carpet veneer (14) is provided with a plurality of vent grooves (17) of extending along said Shell Plate (10) length direction, between said air cushion layer (13) and cotton carpet veneer (14), is provided with piezoelectric transducer (15).
5. according to the arbitrary described sick ectoskeleton fixation device of set a broken bone that is used for of claim 2 ~ 4; It is characterized in that: in said plintlet external fixation mechanism; Said band (2) has many; Corresponding band (2) is strapped in clamping plate (1) on the said impaired limb in a plurality of positions of said 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), is equipped with band sub-control part (5); Band (2) one ends are fixed on the band main control element (4), and the band sub-control part (5) that the other end passes on each clamping plate (1) is successively fastened on the draw ring (20) in band main control element (4).
6. the sick ectoskeleton fixation device of set a broken bone that is used for according to claim 5 is characterized in that: said band main control element (4) is provided with and draws, pressure monitor and alarm (18).
7. the sick ectoskeleton fixation device of set a broken bone that is used for according to claim 6; It is characterized in that: said band sub-control part (5) is the rectangular block shape structure; Band sub-control part (5) is provided with the passage that supplies said band (2) to pass through; On a side inwall of the passage of band sub-control part (5), be provided with a plurality of horizontal column gas storage cavitys (22); And be divided into two-layerly, and and be arranged crosswise between the two-layer column gas storage cavity (22), this column gas storage cavity (22) is also perpendicular with the moving direction of said band (2).
8. the sick ectoskeleton fixation device of set a broken bone that is used for according to claim 7; It is characterized in that: said plintlet external fixation mechanism comprises that also one is used for differentiating, controlling the angle sensing control piece (6) of said clamping plate (1) rotation change; This angle sensing control piece (6) is U type and inner hollow; The middle part of angle sensing control piece (6) is plugged on wherein on the said clamping plate (1) through 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 on the medial surface of this two extension, also be provided with the column gas storage cavity (23) that is connected with the inside of angle sensing control piece (6) near the end position place; This column gas storage cavity (23) arranges along the length direction of clamping plate (1), also posts piezoelectric transducer (15) at the medial surface of said angle sensing control piece (6).
9. the sick ectoskeleton fixation device of set a broken bone that is used for according to claim 8; It is characterized in that: said clamping device comprises the grip block (8) that is clamped on the said healthy limb, is the air pressure driver (25) and the pneumatic support bar of the formula of bending and stretching (7) of the inflation of the gas storage cavity (12) on the said clamping plate (1); Air pressure driver (25) communicates through trachea with said gas storage cavity (12) and the pneumatic support bar of the formula of bending and stretching (7); On grip block (8), be provided with support bar STATEMENT OF FEDERALLY SPONSORED (26); Pneumatic support bar (7) one ends of the formula of bending and stretching and this support bar STATEMENT OF FEDERALLY SPONSORED (26) are rotationally connected; The other end is provided with ring set (9), and the shaft of the pneumatic support bar of the formula of bending and stretching (7) is fixedly connected on the said clamping plate (1).
10. the sick ectoskeleton fixation device of set a broken bone that is used for according to claim 9; It is characterized in that: said ectoskeleton fixation device also comprises control system, and said piezoelectric transducer (15) all is connected with said control system with said 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 true CN102824243A (en) | 2012-12-19 |
| CN102824243B 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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| CN103989547A (en) * | 2013-12-26 | 2014-08-20 | 孙雁群 | Traditional Chinese medicine plintlet device for external fixation bone fracture treatment |
| CN105686898A (en) * | 2015-12-31 | 2016-06-22 | 徐宁 | An intelligent bone and joint correction device |
| 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 |
| CN106983591A (en) * | 2017-05-09 | 2017-07-28 | 广州初曲科技有限公司 | It is a kind of to aid in fixed intelligent pneumatic power artificial-muscle to perceive assembly based on flexible joint |
| CN108420589A (en) * | 2018-05-03 | 2018-08-21 | 周济超 | A kind of Orthopeadic Surgery clamping plate fixing device |
| CN109176469A (en) * | 2018-09-13 | 2019-01-11 | 天津大学 | Stiffness variable flexible exoskeleton system based on line driving and Pneumatic clamping principle |
| CN109350338A (en) * | 2018-12-05 | 2019-02-19 | 天津科技大学 | A kind of 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 |
| CN111683638A (en) * | 2018-01-31 | 2020-09-18 | 反应机器人技术有限公司 | Cuff for accommodating at least a portion of an external limb of a person |
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| CN103989547A (en) * | 2013-12-26 | 2014-08-20 | 孙雁群 | Traditional Chinese medicine plintlet device for external fixation bone fracture treatment |
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| CN111683638A (en) * | 2018-01-31 | 2020-09-18 | 反应机器人技术有限公司 | Cuff for accommodating at least a portion of an external limb of a person |
| CN108420589A (en) * | 2018-05-03 | 2018-08-21 | 周济超 | A kind of Orthopeadic Surgery clamping plate fixing device |
| CN109176469A (en) * | 2018-09-13 | 2019-01-11 | 天津大学 | Stiffness variable flexible exoskeleton system based on line driving and Pneumatic clamping principle |
| 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 |
| CN109350338A (en) * | 2018-12-05 | 2019-02-19 | 天津科技大学 | A kind of medical splint |
| 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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