CN103156716B

CN103156716B - System capable of enabling difference realignment to be carried out on spinal column under tensile force

Info

Publication number: CN103156716B
Application number: CN201110415351.5A
Authority: CN
Inventors: 任嵩
Original assignee: Beijing Ryzur & Axiom Medical Investment Co Ltd
Current assignee: Beijing Reed medical investment Limited by Share Ltd
Priority date: 2011-12-13
Filing date: 2011-12-13
Publication date: 2014-12-24
Anticipated expiration: 2031-12-13
Also published as: IL233122A0; WO2013087009A1; CN103156716A

Abstract

The invention relates to a system capable of enabling difference realignment to be carried out on a spinal column under tensile force, in particular to tension equipment. The tension equipment comprises a patient locating device, a tension force generation driver, a locating device, a patient interface device and a control system. The control system has feedback to synthesized tension force vector applied to the spinal column of a patient. When a treatment tension level is exerted on the spinal column of the patient, one of the position of the tension force generation driver and the position of the patient is allowed to be adjusted or both the position of the tension force generation driver and the position of the patient are allowed to be adjusted. The tension device automatically adjusts the angle of the combined tension force vector, and therefore during adjustment of the position of the tension force generation driver and the position of the patient, the magnitude of the vector is enabled to be kept ideal and constant, and the fact that due to the fact that the magnitude of the combined tension force vector is changed, the risk that muscle beside the spinal vertebra contracts is induced is reduced, and buckling of a spinal column section is promoted.

Description

Under tension the system that diversity aims at again is carried out to spinal column

Technical field

The present invention relates to a kind of spinal column pulling force being applied to patient with the system for the treatment of spinal disease.The invention particularly relates to a kind of system, this system makes treatment angular oscillation under tension over the course for the treatment of and does not change expection pulling force, carry out diversity to specific spinal column again to aim at (DRV), its objective is further spinal relief paravertebral muscles, increase intervertebral disc Hui Na, and stimulate articular cartilage (such as, facet joint cartilage), promote the means of continuous passive motion (CPM) benefit as one.

Background technology

Physical Therapist utilizes spinal column pressure reduction to treat and treats various spinal disease, comprises intervertebral disk hernia, degenerative disc disease, sciatica, rear facet joint syndrome and postoperative pain.Decompression treatment stems from traditional treatment based on traction, and spinal column is placed in state of tension by external force (such as Physical Therapist's hands or by automated procedure) by traction therapeutic.Typically, at traditional treatments period based on traction, spinal column is in continuous print state of tension.The difference of decompression treatment and traditional traction therapeutic is, pulling force is applied to spinal column with specific angle.And, during decompression treatment, in whole treatment cycle, apply various pulling force or recycle various pulling force, thus spinal column paravertebral muscles being loosened and fatigue, allowing disc separation.Seamlessly transitting between the different stage that these functions provide pulling force.In tradition traction or decompression treatment, spinal column pulling force all keeps 30 minutes or the longer cycle.

Because spinal column is placed in state of tension, so spinal vertebrae is separated, to allow intervertebral disc to be again aligned in its appropriate location.This effect makes intervertebral disk hernia to cure in non-load condition if having time.In addition, polytrophic spinal fluid (vertebral pulp) is directed to the position of pulling force by the negative pressure produced by the separation of vertebra.Spinal column paravertebral muscles is undertaken straining and " stretching " that participate in spinal column unconsciously reacts by resisting mutually with external force.And sentient people (patient) may shrink spinal muscular unconsciously and/or subconsciously, as the opposing reaction to pulling force.Above-mentioned patient reaction one of them or the two all reduce the effectiveness of spinal column dragging or spinal column pressure reduction treatment.

An example of common spinal column pressure reduction therapy system make use of the non-feedback being connected to patient via patient interface device (such as pull strap and/or patient-securing strap) provides pulling force to produce driver (any type that motorized motions, pneumatic actuation, magnetically-actuated, hydraulic-driven or chemical energy drive).Patient lies supine is on therapeutic bed body, and head is positioned at the far-end producing pulling force source.Patient's upper body is fastened to the distal portion (this end of bed is from producing the source of pulling force farthest) of bed by the upper body holder of patient.Lower body holder carries out fastening around waist, and with connecting the point of pull strap.Pulling force produces driver and exports increase or reduce to produce the change of synthesis pulling force at the attached point to patient of band.Utilize Linear actuator (any type of motorized motions, pneumatic actuation, magnetically-actuated, hydraulic-driven or chemical driver) thus raise and reduce relative to the attached position to patient the point (treatment localizer) that pull strap pulls, thus regulating the angle of the pulling force of application.System also comprises tension measuring device (such as, force cell), and it produces driver with pulling force and patient's conllinear is connected, thus pulling force communicating information to pulling force is produced actuator control device (such as computer).System operates as controlled feedback loop, thus the pull-up curve of expection can be applied to patient, and can be verified by the power of computer to practical application.

But in above-mentioned example, the point pulled relative to the pull strap of the attached position to patient is fixing in the process of pulling force effect.Because the direction pulled is the spinal column that the spinal column being both not parallel to patient is also not orthogonal to patient, and the far-end in the pulling force source of application is positioned at due to patient lies supine's (in this example) its head, so the pulling force of application can be modeled as two force vectors, the spinal column conllinear of a force vector and patient and away from head, another force vector is perpendicular to the spinal column of patient.When patient lies prone, the direction of the horizontal component that the pulling force of application is made a concerted effort will keep identical, but the direction of vertical component that the pulling force of application is made a concerted effort will be put upside down.

A definitional characteristic of spinal column pressure reduction is that pulling force is applied at a certain angle, and special angle (described angle is specific for the design of each device) affects specific disc position.Make specialist can treat ad-hoc location damage, such as spinal column intervertebral disk hernia by regulating the angle of the pulling force of application to the ability that the position that spinal column in spinal column extends positions.In fact, the position of extending spinal column positions and the treatment benefit of each treatment rank sections is maximized.Traction (wherein advocating to apply with spinal column conllinear) is not attempted that the spinal column at specific disc position place is extended and is maximized.

The different intervertebral spaces of the different angles relative effect that pulling force applies, the existing equipment described hereinbefore provides general guidance reference.These angles calculate by a lot of mode; Calculating for these angles does not have the universal standard.By will the pulling force vector (spinal column pressure reduction equipment manufacturers institute specifically) of application and corresponding iconography data relation analysis, which (which) intervertebral space of spinal column pressure reduction device manufacturer computes be affected.Show to these iconography data characteristicses " average spinal column " (the survey quantifier elimination based on carrying out a lot of patient) or " desirable spinal column " (the best-fit mathematics modeling based on spinal column).

At present, before spinal column pressure reduction treatment, routine needs to carry out NMR (Nuclear Magnetic Resonance)-imaging (MRI), thus identifies affected intervertebral disc degree.After determining the intervertebral space situation that MRI shows, the suggestion that specialist follows spinal column pressure reduction equipment manufacturers arranges the pulling force treatment angle of applying.

Specialist and can use the experience of spinal column pressure reduction device to judge for " most probable " of particular patient appropriate treatment angle by the treatment angle of the physical examination to patient, advanced imaging patients (MRI, CT, X-ray etc.), the design of spinal column pressure reduction device manufacturer.When patient is on spinal column pressure reduction device, fasten decompression band, specialist finally will be determined for treatment angle.Specialist observes patient body position, the spinal column of palpation patient and/or other related physical, and/or inquiry patient, thus finally determines the correct treatment angle of this particular patient.

Once treating and being provided with patient treatment angle, then produce specific spinal column pressure reduction pull-up curve.Specific spinal column pressure reduction pull-up curve is made up of some maximum pull ranks and lowest pull rank, at the persistent period internal recycle for the treatment of.Circulation between strong pulling force rank and weak pulling force rank makes the disorder of spinal column paravertebral muscles and loosens, and promotes intervertebral disc Hui Na, and in spinal column, produce the negative pressure region that can suck fluid.

But current traction or decompression schedule, even if pass through the location Calculation result of integrated system, patient body position and the information from patient feedback, finally can determine the correct treatment angle of this particular patient, thus with a relatively accurate angle, decompression power is put on lesion locations, but this angle initialization is fixing.When specifically treating, still probably with minor deviations, and if there is this little deviation can not get correct, best therapeutic effect cannot be obtained by causing patient.In addition because force application angle is fixed, the fluctuation can not carrying out various curve in a trickle scope changes, and cannot realize vertebral body facet joint continuous passive motion (CPM) while decompression.Clinical proof, continuous passive motion does not only have obvious rehabilitation efficacy in extremities joint physiotherapy and rehabilitation field, same, in spinal column pressure reduction therapeutic process, also have therapeutic potential positive equally.When decompression power puts on pathological changes vertebral body region, if when not changing the zone of action of power, pulling force is carried out the trickle angular adjustment (-0.5 ° ~+0.5 °) of a full curve, the reciprocating motion of one-period will be produced, impel effectively decompression to carry out altofrequency to intervertebral disc periodically to correct, and then form a kind of useful continuous passive motion (CPM).This motor process, the blood circulation of lesions position can not only be promoted, improve nutrition exchange velocity, more can provide a desirable environment for the reparation of spinal disc cartilage soleplate, simultaneously, decompression angle adjustment for the curve carried out corrects, its angular adjustment is a kind of level and smooth curvilinear rows transition, potential change can not be conducted by inducing neural, namely can not produce muscle of back group proprioreceptor and stimulate, muscle of back still will accept treatment under completely lax state, like this, the effective maximum decompression power that system provides can better act on intervertebral disc, meanwhile, this continuous passive motion (CPM) is of value to the Hui Na of intervertebral disc, and then promotes bleeding back of the moisture of pathological interspinal dish, nutrient substance, promotes to become intervertebral disc hydration.

Summary of the invention

The present invention is intended to a kind of unique method for improvement of prior art is described, spinal column paravertebral muscles is loosened and intervertebral disc hydration again, and does not increase the time spent in treatment.The present invention is intended to a kind of unique method promoting the continuous passive motion (CPM) of facet joint rehabilitation for gain is described.The present invention proposes a kind of system, carries out diversity and again aims at being in, and do not change the size of expection pulling force in the therapeutic process under state of tension to particular vertebra.The system proposed can the mechanical kinetics of illustrative system and mechanical advantage, and be calibrated increase and the reduction of predicting synthesis pulling force, otherwise under pulling force active state, change increase and reduction that treatment angle there will be synthesis pulling force.The system proposed can increase and reduce the treatment angle under state of tension and not change the size of expection pulling force vector, cause that particular vertebra is more and less aims at, returning to receive and increase and promote that the hydration of those intervertebral disc increases in endplate junction by intervertebral disc, and spinal column paravertebral muscles is loosened and disorderly increase.As preferably, the diversity of vertebra is again aimed at the treatment angular range that can extend and is greater than scope around specific spinal segments angle.

Usually, patient lies supine is on therapeutic bed, and its lower spinal column is above Lordosis support.Lordosis support is used for positioning lordotic summit, as the common metric calculating treatment angle in average or desirable patient's spine form.Except being the setting for the treatment of angle for specific spinal column pressure reduction or traction apparatus, this device also comprises the treatment angle of specifying and affecting ad-hoc location intervertebral disc.Although the treatment angle appointment that spinal column pressure reduction or traction apparatus comprise designer is not required, be prevalent in prior art.

Average or ideal ray photograph spine model generally includes average mean segment angle and at least single order or second order standard deviation are measured.In lumbar vertebra, sections angle refers to the lordotic angle between one or more vertebra.The sections angle that example of the present invention uses is between fifth lumbar vertebra and first sacral vertebra or L5-S1, the 4th and between fifth lumbar vertebra or L4-L5, between the third and fourth lumbar vertebra or L3-L4, second and angle between third lumbar vertebra or L2-L3 and between the first and second lumbar vertebras or L1-L2.

Vertebral alignment can be extended its intervertebral space by the treatment angle that spinal column pressure reduction equipment de-sign provides, thus reaches average or desirable spinal column.As described above, the difference of the lordosis degree between vertebral levels can fluctuate a little above or below average or ideal model.By utilizing diagnostic scan and spinal column pressure reduction equipment treatment angle design, specialist can make specific pathological changes spinal alignment in decompression.

In one embodiment of the invention, if spinal column pressure reduction equipment de-sign does not change expection pulling force for allowing treatment Angulation changes, so this equipment can make treatment angle replace rhythmically over the course for the treatment of in cycles.No matter only for the cycle had made to order for maximum pull, or only for the cycle had made to order for lowest pull, or at whole treatments period, or during some other subsets for the treatment of stage, this equipment can both make treatment angle alternately smoothly and rhythmically, thus loosen further and disorderly spinal column paravertebral muscles, and increase intervertebral disc Hui Na.In order to increase safety, increase and the reduction for the treatment of angle can be limited in less treatment angular range, such as 0.5 degree.In order to reduce pressure to a certain intervertebral space, from L5-S1, all its underparts intervertebral space all must be aimed at and reduce pressure.But such as, this device can be set to reduce predetermined treatment angle with the amplitude of 0.5 degree, then increases the treatment angle being back to specialist and arranging, thus makes top intervertebral space unaffected.If the enough little and patient of the treatment differential seat angle opposite sex correctly aims on spinal column pressure reduction device, so this device can only be aimed at the particular vertebral disc gap of pathological changes discriminatively again, neither affects top intervertebral disc space and does not also affect bottom intervertebral disc space.Such as, if patient is correctly aligned on spinal column pressure reduction device by specialist, and treatment angle is set to affect L3-L4 intervertebral disc space, so this angle is inevitable also makes L5-S1 and L4-L5 vertebral alignment, thus from first to last pulls all three intervertebral disc space and all three intervertebral disc space are aimed at.And being made L4 vertebra again aim at relative to L3 vertebra diversity ground by enough little treatment angle, this only will affect this intervertebral disc space, the spinal column paravertebral muscles of this position is maximized loosen, and promotes the intervertebral disc Hui Na in this region.

Fascitis is the common source of backache, and may be reduced to cause by the amount of the articular cartilage on facet joint.For knee and ancon, continuous passive motion (CPM) relates to the growth of articular cartilage for stimulation and the generation of the rehabilitation factor is well-known.And CPM promotes that the rehabilitation in other joint has also carried out abundant research, at affected intervertebral disc space place for vertebra carry out diversity again aim at for facet joint also serve as CPM treatment.By carrying out the aligning again of diversity to vertebra, the benefit of CPM can extend to the more large regions of spinal column by increasing treatment angular range.

In another embodiment of the present invention, specialist can regulate the treatment angle under state of tension, locates each intervertebral disc space, and can for the treatment computer of this patient by those angles input spinal column pressure reduction equipment.Then, such as, this equipment can start to apply pulling force at L5-S1 gap place, and the diversity starting those vertebras aims at lasting one group of time cycle again, then increase overall situation treatment angle thus also make L4-L5 gap aim at, and the diversity again starting L4-L5 vertebra aims at lasting one group of time cycle again.This equipment can extend to L1-L2 gap in this way always, CPM benefit is extended to all facet joints of bottom spinal column.

In another embodiment of the invention, the diversity of vertebra aims at any region that can be applied to spinal column again.

According to one aspect of the present invention, provide a kind of tension equipment, comprising: patient positioning, described patient positioning is used for constantly cyclically aiming at the target area of patient's spinal column; Pulling force produces driver, and described pulling force produces driver and is used for patient's spinal column to be placed in pulling force; Positioner, described positioner is used for that pulling force is produced driver and positions relative to the target area of patient's spinal column; Patient interface device, described patient interface device connects pulling force and produces driver and patient's spinal column; And control system, described control system has the feedback for the synthesis pulling force vector being applied to patient's spinal column; Described control system allows one of them or both pulling force being produced to drive location and patient position to regulate when applying treatment pulling force rank to patient's spinal column; Wherein, described tension equipment automatically adjusts to synthesis pulling force vector angle, thus make synthesis pulling force vector magnitude keep desired constant at the conditioning period that pulling force produces drive location or patient position, reduce bring out due to the change of synthesis pulling force vector magnitude risk that spinal column paravertebral muscles shrinks and promote the flexing of spinal segments.

Described patient positioning can comprise a body, and wherein said bed body comprises the bed body region being identified as alignment area, and the target area of described patient's spinal column should be positioned at above described alignment area.Described bed body can have the device that physics moves described bed body each several part position.

Described pulling force produces driver and can comprise by rotating the electromechanical equipment producing moment of torsion.The device increasing or reduce the moment of torsion produced can be comprised further.

Described positioner can comprise the height increase realizing the described pulling force relative to the target area of described patient's spinal column generation driver and the device reduced.

Described patient interface device can comprise the decompression band being connected to patient-securing strap, an end of described decompression band is connected with the rotor that described pulling force produces driver, and the other end of described decompression band is connected with patient-securing strap, described patient-securing strap wraps up a part for described patient's spinal column.The torque axis being produced driver generation by described pulling force is moved to described patient's spinal column by described patient interface device.

Described control system can comprise for arranging, produce and keeping desired constant to synthesize the device of pulling force vector magnitude, over the course for the treatment of, synthesizes pulling force vector angle or regulates relative to the position, patient's spinal column target area of a position on described device.

Described control system can comprise over the course for the treatment of at the device of single adjustment synthesis on opportunity pulling force vector angle, allows the change of synthesizing the concentrated area of pulling force vector magnitude in patient's spinal column.

Described control system can comprise over the course for the treatment of at the device of multiple adjustment synthesis on opportunity pulling force vector angle, allows a series of changes of synthesizing the concentrated area of pulling force vector magnitude in patient's spinal column.

Described control system can comprise over the course for the treatment of at the device of multiple adjustment synthesis on opportunity pulling force vector angle, and the size of Angulation changes is restricted, thus the specific region of vertebra or spinal column is not changed, vertebra parts ground flexing or rotation.

Described control system can comprise over the course for the treatment of at the device of multiple adjustment synthesis on opportunity pulling force vector angle, the size of Angulation changes is restricted, thus the specific region of spinal column or spinal column is not changed, spinal column partly flexing or rotation above and below predetermined treatment angle or synthesis pulling force vector angle.

While maintenance synthesis treatment vector magnitude desired constant, the flexing of vertebra above and below predetermined treatment angle or synthesis pulling force vector magnitude facilitates the mechanical schemes relating to intervertebral disc hydration again, reduces to bring out spinal column paravertebral muscles due to the change of synthesis pulling force vector magnitude and shrink relevant risk simultaneously.

Described control system can comprise display or the device for synthesis pulling force vector angle and size being conveyed to user or specialist.

The region of spinal column that described control system can calculate based on the experience of the described position relative to spine model and mathematics and medical science hypothesis instruction synthesis pulling force are concentrated.

Described control system can calculate the region of the spinal column that synthesis pulling force is concentrated based on desirable spine model, described desirable spine model is obtained by clinical spine form research of quoting.

Described control system can make synthesis pulling force vector magnitude circulate in spinal column pressure reduction therapeutic process, and described control system keeps synthesis pulling force vector angle in synthesis pulling force vector magnitude transition process.

Accompanying drawing explanation

Fig. 1 is the side view of the spinal treatment system according to embodiments of the invention formation.

Fig. 2 illustrates caudal vertebra, rumpbone and lumbar vertebra, and lumbar vertebra is modeling in the form of a ellipse, shows the angle between adjacent vertebrae.

Fig. 3 is the side view of spinal treatment system formed according to embodiments of the invention, the system uses based on the Lordosis support of Fig. 2, particular patient location and treatment angled arrangement.

Fig. 4 A and 4B illustrates according to embodiments of the invention at two side views applying caudal vertebra, rumpbone and lumbar vertebra before and after pulling force with special angle respectively, and described special angle is designed to make rumpbone and minimum lumbar vertebra (being respectively S1 and L5) aim at and this intervertebral space (L5-S1) is extended.

Fig. 5 A and 5B illustrates two side views of caudal vertebra, rumpbone and lumbar vertebra respectively.Fig. 5 A above shows the bottom spinal column after applying pulling force at a certain angle, and described angle design is aimed at for making rumpbone and minimum lumbar vertebra (being respectively S1 and L5) and this intervertebral space (L5-S1) is extended.Fig. 5 B below illustrates according to embodiments of the invention, applying the top view after pulling force with additional special angle, described special angle is designed to make minimum lumbar vertebra aim at fourth lumbar vertebra (being respectively L5 and L4) and intervertebral space (L5-S1 and L4-L5) is extended.

Fig. 6 A, 6B and 6C illustrate three views of caudal vertebra, rumpbone and lumbar vertebra respectively, and Fig. 6 D below it is the curve chart of display treatment angle and the relation of time.Leftmost Fig. 6 A represent with design angle apply pulling force (using average or desirable spinal column radiography model) to make the first rumpbone and fifth lumbar vertebra (θ ₁-θ ₀) lower spinal column after aligning.Middle Fig. 6 B shows (θ at a certain angle _dRV) the downward first sacral vertebra aimed at, described angle (θ _dRV) be designed to make first sacral vertebra a little with fifth lumbar vertebra misalignment.Rightmost Fig. 6 C shows the first sacral vertebra again aimed at fifth lumbar vertebra.The diagram of three lower spinal columns represents according to embodiments of the invention, aiming at for the treatment of angle and three some place's spinal columns on the figure of the relation of time.

Fig. 7 A, 7B, 7C and 7D illustrate spinal column pressure reduction treatment figure according to an embodiment of the invention, show expection pulling force, treatment angle, measurement pulling force and pulling force correction and the relation of time.

Fig. 8 schematically shows the flow chart formed according to embodiments of the invention, illustrates the algorithm not changing expection pulling force size for carrying out diversity aligning by scheduled volume to vertebra.

When reading in conjunction with the accompanying drawings, will be better appreciated by foregoing invention content and under regard to the specific descriptions of specific embodiment of the present invention.For the purpose of illustrating the invention, specific embodiment is shown in the accompanying drawings.But, should be appreciated that, the invention is not restricted to the arrangement form that shows in the accompanying drawings and instrument means.

Detailed description of the invention

Fig. 1 is the spinal treatment system 10 being used for the treatment of patient 110 formed according to embodiments of the invention.System 10 comprises microprocessor, control system or accountant 190, and this accountant 190 has hardware and/or the software of utilization and control and drive system 170.Accountant 190 provides interface for user, such as, provide input/output interface by use display and keyboard etc.Only as an example, driver 170 can operate with electronic, hydraulic pressure, pneumatic or Mechanical Driven mode.Driver 170 is connected to patient 110 by patient interface device 120.As an example, driver 170 can be operated by gear or pulley system, thus makes the pulling force being applied to patient 110 by patient interface device 120 be subject to accurate control.This system 10 for being applied the pulling force circulation coming from driver 170 on the spinal column 108 of patient 110 by interface arrangement 120, and carries out decompression treatment on patient 110.Selectively, system 10 may be used for the traction treatment that do not use pulling force to circulate.

Patient 110 lies on the back on machinery 100, and this machinery 100 can be the flat surfaces of such as bed or table.Bed 100 comprises head end 104 and cardinal extremity 106, and its head is placed in head end 104 by patient 110, and its lower limb and foot are placed in cardinal extremity 106 by patient 110.The position of bed 100 makes patient 110 easily to aim at, thus use system 10 is treated.In addition, bed 100 can use arm rest or railing to position patient 110.Patient 110 dresses lower body holder 118, and this lower body holder 118 can be connected to patient interface device 120.This lower body holder is at the base portion place of rumpbone or be connected to patient interface device 120 near the base portion of rumpbone, or by the original point position of synthesis pulling force vector the base portion place of rumpbone or be positioned at rumpbone base portion near.Selectively, patient 110 can dress other suitable device any and be connected to interface arrangement 120, if this device by the original point position of synthesis pulling force vector the base portion place of rumpbone or be positioned at rumpbone base portion near.Patient 110 puts on body holder 119, and on this, body holder 119 can be connected to the head end 104 of bed 100.The upper body of patient 110 is fastened to bed 100 by upper body holder 119, and the displacement keeping the upper body of patient 110 can not occur relative to rack 130, this rack 130 built-in drive 170 and interface positioning device 140.

The lumbar vertebra 108 of patient 110 is positioned at the top of scalable Lordosis support 112 by specialist.Scalable Lordosis support 112 is with pneumatic mode inflation and exit, to adapt to kurtorachic various different curvature between multiple patient 110.The shape of Lordosis support 112 can be adjustable or fixing, and can be regulated by some methods, comprises pneumatic, electronic, hydraulic pressure, change energy etc.Specifically, specialist is by lordotic summit, and third lumbar vertebra (L3), is positioned the top of the center top of Lordosis support 112.Lordotic summit being positioned the top of the center top of Lordosis support 112 and the upper body of patient 110 being fastened to the head end 104 of bed 100, this results in reliable with the consistent end points of the leg-of-mutton horizontal line (relative limit) for calculating treatment angle.

Kneepad 117 is positioned over the below of the knee of patient 110 by specialist, reduces the pressure on the bottom spinal column 108 of patient 110.The position of patient 110 on bed 100 (patient lies supine is lined with kneepad 117 below knee) defines the basis selecting radiography to measure, and radiography measurement considers this position to use when TA angle.

Lower body holder 118 is connected to driver 170 by patient interface device 120.Fixing band 118 can by can by alternately fastening the and clip that removes or fastener are connected to patient interface device 120.The spinal column 108 that interface arrangement 120 is configured to along patient 110 is transmitted by fixing band 118 and aims at the pulling force produced by driver 170.

Interface arrangement 120 can be the band, belt or the hawser that are connected with patient 110 by patient interface positioner 140.Patient interface positioner 140 itself can move to optimum position by vertical driver 148, and this vertical driver 148 can be Linear actuator or electronic, pneumatic, hydraulic pressure or change can other type any of driver.Vertical driver 148 can comprise relatively or absolute encoder, potentiometer or optical distance sensor, for the position of patient interface positioner 140 is conveyed to telecommunications center 155 by arrow F.When patient interface device about 120 is advanced through patient interface positioner 140 and vertical driver 148, it can by the groove 145 in rack 130 front, groove 145 can utilize some flexible materials, with move together along with patient interface device 120 and the inside protecting rack 130 from external disturbance.

Head end 104 and cardinal extremity 106 100 pad can by horizontal driver 114 and U-shaped folder 116 towards with move horizontally together with rack 130, horizontal driver 114 and U-shaped folder 116 can be Linear actuator or any electronic, pneumatic, hydraulic pressure or change can the driver of type.Usually this is done to the patient 110 adapting to various height, so as not to the foot of patient 110 too close to or the cardinal extremity 106 that exceedes bed 100 cause discomfort.Horizontal driver 114 can comprise relatively or absolute encoder, potentiometer or optical distance sensor, the position for Lordosis support 112 and head end 104 are padded be conveyed in accountant 190 and telecommunications center 155 one or both.

The pad of cardinal extremity 106 of bed 100 is designed to lock together with the pad of the head end 104 of bed 100 and puts in place and common horizontal is advanced.Also can unlock with the pad of the head end 104 of bed 100, and along linear guides away from bed 100 head end 104 pad advance to set a distance.This function plays and allows spinal column 108 effect of extending under tension more easily, and to make the cardinal extremity 106 of bed 100 pad the situation of slide downward contrary with the pad that the pad of the cardinal extremity 106 by bed 100 is fixed to head end 104.Cardinal extremity 106 pads and head end 104 pads integrally sealed, and this situation is more unfavorable for that spinal column freely extends with decompression tension.

System 10 comprises tension feedback system 160 further, and this tension feedback system 160 is connected interface arrangement 120 and is bonded between driver 170 and lower body holder 118.Feedback system 160 can comprise force cell or ergometer 150, and this force cell or ergometer 150 are orientated as embedded with driver 170 and be configured to electronically provide and feed back to telecommunications center 155, as shown by arrow E.

Telecommunications center 155 is designed to collect various system 10 parameters for transmission to computing equipment 190, as shown by arrow A.Various system 10 measurement device synchronizing information can be entered single data stream A by this equipment, and this single data stream A is designed to obtain optimum utilization by computing equipment 190.

Driver 170 and driver controller 192 telecommunications, and be directly subject to the control of driver controller 192, as shown by arrow B.Only as an example, driver controller 192 is servo amplifiers 192.Driver 170 also can be attached to (or embedded be connected to) encoder 180, and this encoder 180 can by motor shaft position and other parameter of electric machine and servo amplifier 192 communication.Servo amplifier 192 can calculate many parameters of electric machine, comprises merit, position, distance, moment of torsion and ratio, and those parameter telecommunications are received those parameters to computing equipment 190 from computing equipment 190, as point to computing equipment 190 arrow C shown in.

Computing equipment 190 can be configured to and servo amplifier 192 and driver 170 communication, to monitor and to correct the synthesis pulling force applied by driver 170 and the parameter of electric machine that come from servo amplifier 192 as required.Computing equipment 190 can also be configured to user interface system (such as, keyboard and display) together with use, this user interface system and computer 190 communication and by the instruction decoding of user to computer 190.This interface makes user can build treatment parameter.Such as, all pulling force produce and conveyer device is all built in rack 130, and this rack 130 is positioned at a certain position relative to patient 110.

In operation, spinal treatments is by being correctly positioned on bed 100 by patient 110.The head location of patient is in the head end 104 of bed 100, and the foot of patient is positioned the cardinal extremity 106 of bed 100.Patient 110 is equipped with lower body holder 118, thus make patient 110 be connected to patient interface device 120, and by lower body holder 118, pulling force is applied to the spinal column 108 of patient 110, the base portion place that the initial point of synthesis pulling force vector is positioned at rumpbone or be positioned at rumpbone base portion near.Patient wears has upper body holder 119, and on this, body holder 119 is at the head end 104 place fix in position of bed 100.The lordosis summit of patient 110 is positioned at the top of the center top of Lordosis support 112 by specialist, regulate the height of support member to mate the lordosis curvature of patient, and regulate be connected with the upper body holder 119 of the head end 104 of bed 100, with determine patient 110 in head end 104 pad go up fix in position.Kneepad 117 is placed on the below of the knee of patient 110.

The operator of depressurized system 10 can use the patient interface systems of computer 190 to select the suitable treatment parameter for the treatment of.Then, operator can select pulling force treatment procedure for patient 110, and assigns instruction to perform selected treatment curve to accountant 190.Accountant 190 activates servo amplifier 192 and/or driver 170, thus driver 170 is such as rotated in the direction of arrow D, to strain patient interface device 120, thus pulling force is applied to the spinal column 108 of patient by lower body holder 118.Accountant 190 regulates pulling force to export, to follow the circulation of the pulling force defined in the treatment procedure that inputted by user.This program can comprise the high-tensile strength rank of more than low-tension rank and 125 pounds (only as an example), and can comprise the decompression treatment of change pulling force to the spinal column 108 of patient that circulation applies many quantity.

Fig. 2 shows and measures by the radiography of a lot of patient the kurtorachic model of ellipse 205 formed.The people such as Janik develop the average human subject's measurement model of kurtorachic ideal from subordinate T12 to higher level S1.Model of ellipse 205 represents the Utopian path along the posterior longitudinal ligament after vertebral body.This model 205 represents a kind of method, and spinal column pressure reduction apparatus design person can TA angle by the method.Oval 205 (spinal column 200 carries out modeling according to this ellipse 205) have minor axis B 210 and major axis A 215, and this minor axis B 210 is through subordinate's soleplate 212 of T12 275, and this major axis A 215 is perpendicular to minor axis 210.The people such as Janik have found for existing data, and b/a ratio 0.32 is best fit.

The lower spinal column 200 drawn in fig. 2 is made up of first sacral vertebra 230 (S1), fifth lumbar vertebra 225 (L5), fourth lumbar vertebra 240 (L4), third lumbar vertebra 250 (L3), second lumbar vertebra 260 (L2), first lumbar vertebra 270 (L1) and twelfth dorsal vertebra 275 (T12).

Tangent line in Fig. 2 draws according to Harrison vertebral body trailing edge tangent line (Harrison Posterior Tangent, HPT) method.Show the HPT line drawn along vertebral body trailing edge, the angle between consecutive tangent is defined as the sections angle in each model of ellipse 205 between vertebra.

Between L5 225 and S1 230, the sections angle of (or L5-S1) depends on tangent line θ ₁235 and θ ₀angle between 220.

Between L4 240 and L5 225, the sections angle of (or L4-L5) depends on tangent line θ ₂245 and θ ₁angle between 235.

Between L3 250 and L4 240, the sections angle of (or L3-L4) depends on tangent line θ ₃255 and θ ₂angle between 245.

Between L2 260 and L3 250, the sections angle of (or L2-L3) depends on tangent line θ ₄265 and θ ₃angle between 255.

Between L1 270 and L2 260, the sections angle of (or L1-L2) depends on tangent line θ ₅280 and θ ₄angle between 265.

According to embodiments of the invention, utilize sections angle discussed above to determine the special angle of equipment in Fig. 1, thus the various piece for the treatment of lumbar vertebra 200.For specific spinal column decompressor design, different radiographic methods and data are suitable substantially.Importantly in system 10, keep patient lies supine and when having kneepad below knee, select the measurement data being suitable for the position of patient 110 on device.

Fig. 3 illustrates the side view of the system 10 formed by embodiments of the invention, specifically illustrates the appointment for the treatment of angle.Patient 110 lies on the back on bed 100, and head is on the head end 104 of bed.The spinal column 108 of patient 110 is shown as on Lordosis support 112, and the summit of lordosis L3 250 is above the center top of Lordosis support 112.Although do not show in figure, there is lower body holder 118.As shown in the vertical component 304 of synthesizing pulling force vector and horizontal component 306 (being respectively " x " and " y "), initial point 302 is in the base portion of rumpbone 230.Do not provide in figure, upper body holder 119 is attached to the head end 104 of bed 100.Though kneepad 117 does not draw; But the both legs of patient 110 are bending, as being in the top of kneepad 117 together.

When patient interface device 120 is retracted by driver 170, S1 230 is rotated up by lower body holder 118.Because S1 230, L5 225 and L4 240 are in the below of L3 250, the fulcrum 310 of this rotation is served as on the summit of lordosis L3 230.Because L3 250 is above Lordosis support 112, L3 250 is for revolting the movement of S1 230 in the vertical direction on " y " 304.This resistance continues always, until treatment angle is enough to act on L3 250 vertebral body.Acted on due to L3 250 and promoted, so fulcrum 310 superior is transferred to L2260.Because L2 260 is subject to the effect for the treatment of angle fully, then fulcrum 310 again superior be transferred to L1 270.In all cases, fulcrum 310 is formed by the increase of resistance treatment angle, is more specifically formed against the vertical component " y " 304 of the synthesis pulling force of Lordosis support 112 by resistance.

Hypotenuse 328 exits rack 130 at it by groove 145 by patient interface device 120 and is formed with point 310.Treatment angle 338 is equivalent to the angle formed by HPT line 235 and 220, (θ ₁-θ ₀) 338 or L5-S1, HPT line 235 and 220 formed by the rear side of S1 230 and L5 225.

Hypotenuse 326 exits rack 130 at it by groove 145 by patient interface device 120 and is formed with point 310.Treatment angle 336 is equivalent to the angle formed by HPT line 245 and 235, (θ ₂-θ ₁) 336 or L4-L5, HPT line 245 and 235 formed by the rear side of L5 225 and L4 240.But whole treatment angle will by (θ ₂-θ ₁) 336+ (θ ₁-θ ₀) 338 formations.

Hypotenuse 324 exits rack 130 at it by groove 145 by patient interface device 120 and is formed with point 310.Treatment angle 334 is equivalent to the angle formed by HPT line 255 and 245, (θ ₃-θ ₂) 334 or L3-L4, HPT line 255 and 245 formed by the rear side of L4 240 and L3 250.But whole treatment angle will by (θ ₃-θ ₂) 334+ (θ ₂-θ ₁) 336+ (θ ₁-θ ₀) 338 formations.

Hypotenuse 322 exits rack 130 at it by groove 145 by patient interface device 120 and is formed with point 310.Treatment angle 332 is equivalent to the angle formed by HPT line 265 and 255, (θ ₄-θ ₃) 332 or L2-L3, HPT line 265 and 255 formed by the rear side of L3 250 and L2 260.But whole treatment angle will by (θ ₄-θ ₃) 332+ (θ ₃-θ ₂) 334+ (θ ₂-θ ₁) 336+ (θ ₁-θ ₀) 338 formations.

Hypotenuse 320 exits rack 130 at it by groove 145 by patient interface device 120 and is formed with point 310.Treatment angle 330 is equivalent to the angle formed by HPT line 280 and 265, (θ ₅-θ ₄) 330 or L1-L2, HPT line 280 and 265 formed by the rear side of L2 260 and L1 270.But whole treatment angle will by (θ ₅-θ ₄) 330+ (θ ₄-θ ₃) 332+ (θ ₃-θ ₂) 334+ (θ ₂-θ ₁) 336+ (θ ₁-θ ₀) 338 formations.

Vertical driver 148 raises and reduces patient interface device 120 and interface positioning device 140, to adapt to various TA angle 320,322,324,326 and 328.System 10 utilizes passive or absolute encoder, potentiometer, optical distance sensor or other diastimeter feedback with the upright position determining patient interface device 120.By cardinal extremity 106 pad to pad with head end 104 bed 100 that forms by horizontal driver 114 towards rack 130 or with it oppositely together with move horizontally.By passive or absolute encoder, potentiometer, optical distance sensor or other diastimeter, the position of horizontal driver 114 is fed back to system 10.Meanwhile, by horizontal driver 114, the horizontal level of the upright position of the patient interface device 120 at interface positioning device place and the center top 310 of Lordosis support 112 feeds back to system, and for calculating treatment angle.

Fig. 4 A and 4B is two views of lower spinal column (400 and 401) respectively.Fig. 4 A shows to treat angle 490 and applies to synthesize the spinal column before pulling force vector F 402.Fig. 4 B shows the spinal column applied after described synthesis pulling force vector F 402.

HPT tangent line 420,430,440,450,460 and 470 is plotted in the trailing edge of vertebral body S1 410, L5 411, L4 412, L3 413, L2 414 and L1 415.

Synthesis pulling force vector F 402 connects lower body holder 118 by patient interface device 120 and is applied to patient 110.Lower patient-securing strap 118 is designed to produce synthesis pulling force vector F 402 at the base portion place of rumpbone 410, is in the below of supine patient 110 in this embodiment of the invention.When being decomposed into vertical component Fy 404 and horizontal component Fx 403, synthesis pulling force vector F 402 acts on lower spinal column 400/401 in two ways.First, vertical component Fy 404 can be considered above the center top 310 being promoted to lordosis support member 112 of rumpbone 410, is subject to the opposing of lordosis summit the 3rd vertebra L3 413 of spinal column simultaneously.Horizontal component Fx 403 can be regarded as pulling all aligning spinal segments, extends to make spinal column.

Because there is no External Force Acting on spinal column, and assuming that nature lordosis more or less can be present between all sections of spinal column under patient, so in Figure 4 A, the non-vanishing value of spinal segments 410,411,412,413,414,415 and 416 sections angle (aligning).If a bit all there is no nature lordosis in lower spinal column 400, and simultaneously not from then not convex, so except zero degree just without any need for treatment angle.

In figure 4b, 402 act on the spinal column of bottom with joint efforts.Drive lower body holder 118 by patient interface device 120,402 act on vertebral levels S1 410 with joint efforts.As general guilding principle, the size of synthesis pulling force 402 is set to 1/2nd of weight in patients, and this is the convention of this area; But specialist has a responsibility for adjusting its size to be made it be enough to promote the lower part of the body and rotates patient's lower part of the body, rumpbone/pelvis/buttocks to correct position.Vertebral levels S1 410 is made to promote relative to subordinate's soleplate of L5 411 and rotate according to the vertical component Fy 404 synthesizing pulling force 402.The angle 490 of the applying of synthesis pulling force 402 is θ ₁-θ ₀, 430-420, it is enough to make the rear side of vertebral body S1 410 and L5 411 parallel to each other, thus " aligning ".Once vertebral body S1 410 and L5 411 aims at, intervertebral disc leading edge and trailing edge are all depressurized 480.Along with synthesis pulling force 402 circulates between minimum and maximum level, vertebral body S1 410 and L5 411 also aims at or misalignment thereupon.

The aligning of vertebral body S1 410 and L5 411 and misalignment cause the disorder of spinal column paravertebral muscles and loosen, particularly when synthesis pulling force 402 circulates smoothly.In addition, because occur that the process of Hui Na is vertebral body Mechanical Moving relative to each other, described by the aligning of described vertebral body and misalignment, the aligning of vertebral body S1 410 and L5 411 and misalignment cause receiving increase the returning of soleplate place intervertebral disc of vertebral body.In addition, the vertebral body S1 410 aimed at and the elongation 480 of L5 411 cause the decline of the dmm of extended position, and then cause vertebral pulp to move in spinal column.

Fig. 5 A and 5B is two views of lower spinal column (500 and 501) respectively.Fig. 5 A shows to treat angle 591 and applies to synthesize the spinal column before pulling force vector F 502.Fig. 5 category-A is similar to Fig. 4 B, have rotated angle 490 and has extended distance 480.Fig. 5 B shows the spinal column applied after described synthesis tensile force f 502.

HPT tangent line 530,540,550,560 and 570 is plotted as after vertebral body L5 511, L4 512, L3 513, L2 514 and L1 515.

F 502 drives lower body holder 118 to be applied to patient 110 by patient interface device 120 with joint efforts.Lower patient-securing strap 118 is designed to produce synthesis pulling force vector F 502 at the base portion place of rumpbone 510, is in the below of supine patient 110 in this embodiment of the invention.When being decomposed into vertical component Fy 504 and horizontal component Fx 503, synthesis pulling force vector F 502 acts on lower spinal column 500/501 in two ways.First, vertical component Fy 504 can be regarded as being promoted to above the center top 310 of lordosis support member 112 from rumpbone 510, is subject to the opposing of lordosis summit the 3rd vertebra L3513 of spinal column simultaneously.Horizontal component Fx 503 can be regarded as pulling all aligning spinal segments, extends to make spinal column.

In fig. 5, S1 510 and L5 511 is only had to aim at, as described in Fig. 4 B.Other spinal segments 511,512,513,514,515 and 516 does not have zero sections angle (aligning) because make a concerted effort 402 be with only enough aim at 510 and 511 treatment angle act on epispinal.In addition, assuming that nature lordosis more or less can be present between all sections of spinal column under patient.If a bit all there is no nature lordosis in lower spinal column 500, and simultaneously not from then not convex, so except zero degree just without any need for treatment angle.

In figure 5b, 502 act on lower spinal column with joint efforts.By the mode of 402 S1 510 that initially make a concerted effort, drive lower body holder 118 by patient interface device 120,502 act on vertebral levels L5 511 with joint efforts.As general guilding principle, the size of synthesis pulling force 502 is set to 1/2nd of weight in patients, and this is the convention of this area; But specialist has a responsibility for adjusting its size to be made it be enough to promote the lower part of the body and rotates patient's lower part of the body, rumpbone/pelvis/buttocks to correct position.By the mode of 402 S1 510, vertebral levels L5 511 is made to promote relative to subordinate's soleplate of L4 512 and rotate according to the vertical component Fy504 synthesizing pulling force 502.The angle 591 of the applying of synthesis pulling force 502 is θ ₂-θ ₁, 540-530, adds the angle of 590, and it is enough to make the rear side of vertebral body L5 511 and L4 512 parallel to each other, thus " aligning ".Once vertebral body L5 511 and L4 512 is aimed at by the mode of 402 S1 510 and L5 511, intervertebral disc leading edge and trailing edge are all depressurized 581 and 580.Along with synthesis pulling force 502 circulates between minimum and maximum level, vertebral body L5 511 and L4 512 and S1 510 and L5 511 also aims at or misalignment thereupon.

Decompression 580 and 581 and vertebral body are aimed at and the benefit of misalignment is described in the diagram.It should be noted that, this embodiment formed according to the present invention, receive to reduce pressure, increasing back and produce intervertebral disc local vertebral pulp pressure drop and two vertebral bodys are aimed at, it needs first to make all distal vertebra sections aim at, from S1 510 and L5 511.

Fig. 6 A, 6B, 6C are three views of lower spinal column (600,601,602) respectively, and below it, Fig. 6 D is the figure of the relation of display treatment angle 640 and time 644.Leftmost Fig. 6 A represents with design angle (θ ₁-θ ₀) 338 apply pulling force (using average or desirable spinal column radiography model) with make the first rumpbone 610 and fifth lumbar vertebra 611 aim at after lower spinal column.L5-S1 sections angle 338 is formed by the difference between HPT line 620 and 630, and HPT line 620 is plotted as and conllinear parallel with the rear side of S1 610 vertebra, and HPT line 630 is plotted as and conllinear parallel with the rear side of L5 611 vertebra.

In this embodiment of the invention, make the diversity of vertebra again aim at (DRV) to be achieved.It can be set to negative variance, and it makes treatment angle increase to and makes pathological changes spinal alignment, and reduces an angle thus do not affect top intervertebral disc space.Also can be set to positive variance, it is from treatment angle, and described treatment angle makes pathological changes spinal alignment and makes angle increase thus affect higher level's intervertebral space, and makes angle reduce to get back to initial setting up.Can be set to n-negative variance, it will make angle increase to more than initial setting up and make angle be decreased to below initial setting up.Any angle be in the scope of these patterns can be set to.Can be arranged so that vertebra is aimed at again with constant ratio or modulation rate diversity ground.Can be set to increase and reduce DRV angle modulation gradually.In the embodiment in fig 6, open DRV, it is set to the initial therapy angle of 12 ° 641, and it is set to negative variance, and it is smoothly decreased to 11 ° 643 and again returns back to initial therapy angle in the scope of 1 °.It is arranged so that treatment angle sinusoidally changes 651.

The spinal column 600 of Fig. 6 A is in the maximum therapy angle 641/338 arranged by specialist, to make S1 610 and L5 611 aim at, and makes intervertebral disc space extend 680 according to this aligning.In fig. 6, spinal column is in the summit 661 of the treatment angle curve 651 sinusoidally changed formed according to embodiments of the invention.At each summit 661 place along treatment angle curve 651, spinal column will be in by the alignment of 600 instructions.

The spinal column 601 of Fig. 6 B is in minimum treatment angle 643/608, reduces the aligning of S1 610 and L5611.In fig. 6b, spinal column is in the trough 662 of the treatment angle curve 651 sinusoidally changed formed according to embodiments of the invention.Initial therapy angle 338 sinusoidally reduces (θ _dRV) 609 to (θ _temp) 608.In this embodiment of the invention, the initial therapy angle 641 of 12 ° reduces 1 ° of arrival 11 ° 643.At each trough 662 place along treatment angle curve 651, spinal column will be in by the alignment of 601 instructions.

The spinal column 603 of Fig. 6 C is similar to spinal column 601, and vertebra S1 610 and L5 611 aims at 663 to initial therapy angle 338 again.

Fig. 7 A-7D represents treatment screen 700, on its spinal column pressure reduction device that may be displayed on system 10 and/or print.In screen 700, showing vertically aligned four figure, Fig. 7 A, Fig. 7 B, Fig. 7 C and 7D, is all draw for identical horizontal scale (time).

In fig. 7, the pull-up curve of expection is shown.In this embodiment of the invention, expection pull-up curve be a series of minimum and maximum pulling force ranks, by pulling force 711 logarithm increase with reduction and be connected.The y-axis 710 of Fig. 7 A is pulling force, draws, be shown as from zero to 160 pound in units of pound.According to Fig. 7 A, maximum pull rank is 140 pounds, and lowest pull rank is 30 pounds.

In figure 7b, treat angle to draw according to the time.Y-axis line 720 is treatment angles, draws in units of angle.Y-axis 720 comprises initial therapy angle 723,12 °, and for the sake of clarity it is shown as and amplifies and have border.In this embodiment of the invention, 12 ° is the setting of L5-S1 intervertebral space.DRV starts and is set to negative variance, pure oscillation, (θ _dRV)=1 °, as shown in Figure 6.

In figure 7b, treat angle 726 whole treatment is sinusoidally vibrated.

Current therapeutic angle 727 is presented in the square frame on the right of Fig. 7 B.This display 727 changes and upgrades when treating Angulation changes.

In fig. 7 c, show the pulling force 731 of measurement, in the present embodiment of the present invention, it is transmitted by force cell 155, but it can by any load or torque sensing device signal transmission.The pulling force 731 measured is drawn in units of pound for y-axis 730, and it is identical with scale 710.It should be noted that, according to this embodiment of the invention, even if again to aim in the process of (DRV) 726 in the diversity of vertebra, the pulling force 731 of measurement is identical with expection pull-up curve 711.

In fig. 7d, show pulling force and correct 744.Pulling force corrects 744 and draws in units of pound for y-axis 740.In the system 10 formed by one embodiment of the present of invention, when treating angle and regulating up and down 726, pulling force corrects and 744 is subject to very slight impact, thus can show out in scale 740.In the figure, because (θ _dRV)=1 °, the change of the pulling force of measurement is very little, and only needs driver 170 to regulate slightly.The pulling force that change in the design of spinal column pressure reduction device may change system 10 produces the change mode of reacting of driver 170 for treatment angle, as be used for the treatment of periodogram 7D this particular system 10 pulling force calibration trace in reflect.

Fig. 8 shows the flow chart formed according to embodiments of the invention, illustrates for being regulated treatment angle by scheduled volume and does not change the algorithm of expection pulling force.

This algorithm is from the initial start of spinal column pressure reduction device (step 800).As a part for system 10 initialize routine, vertical linearity driver 148 is re-set as extreme lower position; Any passive or active encoder data transmitted being carried out by the range unit installed inner or outside relative to vertical linearity driver 148, or potentiometer data, will measure for this initial zero; As a part for system 10 initialize routine, horizontal driver 114 is re-set as the position producing driver 170 closest to pulling force; Any passive or active encoder data transmitted being carried out by the range unit installed inner or outside relative to horizontal linearity driver 114, or potentiometer data, will carry out measuring (step 810) for this initial zero.At this some place, device calculates initial therapy angle (step 820).Alternatively, device can use Models of Absolute Distance Measurement Based device, and it does not need this device to initialize vertical and horizontal driver as indicated in step 810.As preferably, the Last Known Location of vertical linearity driver and horizontal linearity driver can be appointed to nonvolatile memory by device, thus does not need initialization step 810.Then the system of 10 shows treatment angle (step 830).

Minimum and maximum for the expection being used for spinal column pressure reduction treatment pulling force input can be treated computer 190 (step 840) by specialist.They also can input initial therapy angle and treatment time and relate to the setting of DRV, as discussed in Fig. 6.This can carry out as shown in the figure before patient body setting steps 850, or carried out after which.

Then, the health of patient 110 is configured on bed 100 (step 850) by specialist.Upper body holder 119 is fastened to the head end 104 of bed.Kneepad 117 is placed on the below of the knee of patient.Bed 100 horizontal adjustment and/or patient 110 regulate, with the top making the summit of lordosis L3 250 be positioned the center top 310 of Lordosis support 112 on bed 100.Lower body holder 118 is connected to patient interface device 120.Then, specialist can start treatment (step 860).

Because treatment starts (step 860), treatment computer 190 must calculate suitable pull-up curve.In one embodiment of the invention, treat computer 190 and calculate pull-up curve and treatment angle curve based on the input of specialist.Treatment computer 190 determines whether that the diversity of opening vertebra is aimed at (step 870) again.If DRV opens, so treat computer and consider which part for the treatment of DRV will there will be (step 872), which kind of diversity classification, by what (θ _dRV) (step 874) and which transitioning processes (step 876) will be used for calculating.

Once the option 870/872/874/876 of DRV is assessed, treatment computer 190 calculates and performs pulling force and treatment angle curve (step 880).In step 870, if DRV does not open, so treat computer 190 and advance to only calculating and perform pull-up curve (step 880).

Below certain exemplary embodiments of the present invention is presented for the purpose of illustration and description.But itself and non-exclusive, or the present invention to be limited to disclosed precise forms, obviously, can many modifications and variations be carried out under the enlightenment of above-mentioned instruction.The selection of exemplary embodiment and description are to explain certain principles of the present invention and their practical application, thus others skilled in the art are obtained and utilizes each exemplary embodiment of the present invention and their various substitutions and modifications.Scope of the present invention is by appended claim and equivalents thereof.

Claims

1. a tension equipment, comprising:

Patient positioning, described patient positioning is used for constantly cyclically to patient's ridge

The target area of post is aimed at;

Pulling force produces driver, and described pulling force produces driver and is used for patient's spinal column to be placed in pulling force;

Positioner, described positioner is used for that pulling force is produced driver and positions relative to the target area of patient's spinal column;

Patient interface device, described patient interface device connects pulling force and produces driver and patient's spinal column; And

Control system, described control system is fed back for the synthesis pulling force vector being applied to patient's spinal column;

It is characterized in that:

Described control system allows one of them or both pulling force being produced to drive location and patient position to regulate when applying the pulling force for the treatment of pulling force rank to patient's spinal column;

Wherein, described tension equipment automatically adjusts to synthesis pulling force vector angle, thus make synthesis pulling force vector magnitude keep desired constant at the conditioning period of pulling force generation drive location or patient position, the risk that spinal column paravertebral muscles shrinks is brought out in the change reduced owing to synthesizing pulling force vector magnitude, and promotes the flexing of spinal segments.

2. tension equipment according to claim 1, wherein said patient positioning comprises a body, and wherein said bed body comprises the bed body region being identified as alignment area, and the target area of described patient's spinal column should be positioned at above described alignment area.

3. tension equipment according to claim 2, wherein said bed body has the device that physics moves described bed body each several part position.

4. tension equipment according to claim 1, wherein said pulling force produces driver and comprises by rotating the electromechanical equipment producing moment of torsion.

5. tension equipment according to claim 4, wherein pulling force produces the device that driver comprises the moment of torsion increasing or reduce generation.

6. tension equipment according to claim 5, wherein said positioner comprises the height increase realizing the described pulling force relative to the target area of described patient's spinal column generation driver and the device reduced.

7. tension equipment according to claim 1, wherein said patient interface device comprises the decompression band being connected to patient-securing strap, an end of described decompression band is connected with the rotor that described pulling force produces driver, and the other end of described decompression band is connected with patient-securing strap, described patient-securing strap wraps up a part for described patient's spinal column.

8. tension equipment according to claim 7, the torque axis being produced driver generation by described pulling force is moved to described patient's spinal column by wherein said patient interface device.

9. tension equipment according to claim 6, wherein said control system comprises setting, produces and keeps desired constant to synthesize the device of pulling force vector magnitude, over the course for the treatment of, synthesize pulling force vector angle or regulate relative to the position, patient's spinal column target area of a position on described device.

10. tension equipment according to claim 9, wherein said control system comprises over the course for the treatment of at the device of single adjustment synthesis on opportunity pulling force vector angle, allows the change of synthesizing the concentrated area of pulling force vector magnitude in patient's spinal column.

11. tension equipment according to claim 9, wherein said control system comprises over the course for the treatment of at the device of multiple adjustment synthesis on opportunity pulling force vector angle, allows a series of changes of synthesizing the concentrated area of pulling force vector magnitude in patient's spinal column.

12. tension equipment according to claim 11, wherein said control system comprises over the course for the treatment of at the device of multiple adjustment synthesis on opportunity pulling force vector angle, the size of Angulation changes is restricted, thus the specific region of vertebra or spinal column is not changed, vertebra parts ground flexing or rotation.

13. tension equipment according to claim 12, wherein said control system comprises over the course for the treatment of at the device of multiple adjustment synthesis on opportunity pulling force vector angle, the size of Angulation changes is restricted, thus the specific region of spinal column or spinal column is not changed, spinal column partly flexing or rotation above and below predetermined treatment angle or synthesis pulling force vector angle.

14. tension equipment according to claim 13, wherein while maintenance synthesis treatment vector magnitude desired constant, the flexing of vertebra above and below predetermined treatment angle or synthesis pulling force vector magnitude facilitates intervertebral disc hydration again, reduces due to the change of synthesis pulling force vector magnitude simultaneously and brings out the relevant risk of spinal column paravertebral muscles contraction.

15. tension equipment according to claim 6, wherein said control system comprises display or the device for synthesis pulling force vector angle and size being conveyed to user or specialist.

16. tension equipment according to claim 15, the region of spinal column that wherein said control system calculates based on the experience of the described position relative to spine model and mathematics and medical science hypothesis instruction synthesis pulling force are concentrated.

17. tension equipment according to claim 16, wherein said control system calculates the region of the spinal column that synthesis pulling force is concentrated based on desirable spine model, and described desirable spine model is obtained by clinical spine form research of quoting.

18. tension equipment according to claim 12, wherein said control system can make synthesis pulling force vector magnitude circulate in spinal column pressure reduction therapeutic process, and described control system keeps synthesis pulling force vector angle in synthesis pulling force vector magnitude transition process.